A104437 Number of ways to split 1, 2, 3, ..., 4n into 4 arithmetic progressions each with n terms.

1, 105, 15, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

Offset

1,2

Links

Table of n, a(n) for n=1..15.

Crossrefs

Cf. A104429-A104436, A104438-A104443.

Sequence in context: A271764 A069172 A231578 * A361417 A112814 A058179

Adjacent sequences: A104434 A104435 A104436 * A104438 A104439 A104440

Keyword

nonn

Author

Jonas Wallgren, Mar 17 2005

Status

approved