A104438 Number of ways to split 1, 2, 3, ..., 5n into 5 arithmetic progressions each with n terms.

1, 945, 55, 23, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20

Offset

1,2

Links

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

Crossrefs

Cf. A104429-A104437, A104439-A104443.

Sequence in context: A271765 A343330 A133814 * A125013 A294576 A252192

Adjacent sequences: A104435 A104436 A104437 * A104439 A104440 A104441

Keyword

nonn

Author

Jonas Wallgren, Mar 17 2005

Status

approved