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A104437 Number of ways to split 1, 2, 3, ..., 4n into 4 arithmetic progressions each with n terms. 2
1, 105, 15, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; graph; refs; listen; history; text; internal format)
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 * A112814 A058179 A260461

Adjacent sequences:  A104434 A104435 A104436 * A104438 A104439 A104440

KEYWORD

nonn

AUTHOR

Jonas Wallgren, Mar 17 2005

STATUS

approved

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Last modified September 17 18:12 EDT 2021. Contains 347489 sequences. (Running on oeis4.)