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A104438 Number of ways to split 1, 2, 3, ..., 5n into 5 arithmetic progressions each with n terms. 2
1, 945, 55, 23, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Cf. A104429-A104437, A104439-A104443.

Sequence in context: A145493 A271765 A133814 * A125013 A294576 A252192

Adjacent sequences:  A104435 A104436 A104437 * A104439 A104440 A104441

KEYWORD

nonn

AUTHOR

Jonas Wallgren, Mar 17 2005

STATUS

approved

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Last modified May 26 18:08 EDT 2020. Contains 334630 sequences. (Running on oeis4.)