How can I find the next number in this series? Are "complete this series" problems well defined? Solution

Listed below are series that have occurred on rec.puzzles that are not in the "On-Line Encyclopedia of Integers Sequences", which is available at:

http://www.research.att.com/njas/sequences/index.html

The notation **CS** indicates that the problem is country (or culture) specific. That is, it relies on knowledge specific to some countries or cultures.

M, N, B, D, P? Solution

H, H, L, B, B, C, N, O, F? Solution

W, A, J, M, M, A, J? **CS**
Solution

G, J, T, J, J, J, A, M, W, J, J, Z, M, F, J? **CS**
Solution

M, A, M, D, E, L, R, H? **CS**
Solution

A, E, H, I, K, L? **CS**
Solution

A, B, C, D, E, F, G, H? **CS**
Solution

Z, O, T, T, F, F, S, S, E, N? Solution

F, S, T, F, F, S? Solution

1, 1 1, 2 1, 1 2 1 1, 1 1 1 2 2 1? Solution

G, L, M, B, C, L, M, C, F, S? **CS**
Solution

A, V, R, R, C, C, L, L, L, E? **CS**
Solution

S, M, S, S, S, C, P, P, P? **CS**
Solution

M, S, C, P, P, P, S, S, S? **CS**
Solution

D, P, N, G, C, M, M, S? **CS**
Solution

R, O, Y, G, B? Solution

A, T, G, C, L? Solution

M, V, E, M, J, S? Solution

A, B, D, O, P? Solution

A, B, D, E, G, O, P? Solution

A, E, F, H, I? Solution

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, X, Y? Solution

T, P, O, F, O, F, N, T, S, F, T, F, E, N, S, N? Solution

0, 01, 01011, 0101101011011, 0101101011011010110101101101011011? Solution

22, 22, 30, 13, 13, 16, 16, 28, 28, 11? **CS**
Solution

What is the next letter in the sequence: W, I, T, N, L, I, T? Solution

I, I, T, Y, W, I, M, W, Y, B, M, A, D? Solution

E, T, I, A, N, M, S, U, R, W, D, K, G, O? Solution

10^3, 10^9, 10^27, 10^2, 0, 4, 8, 3? Solution

?, ?, ?, T, W, H, R, F, U, I, ?, ? Solution

M, E, P, B, P? Solution