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Search: id:A104433
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A104433 Number of ways to split 1, 2, 3, ..., 7n into n arithmetical progressions each with 7 terms. +0
3
1, 2, 4, 10, 20, 56, 117, 323, 745, 1896 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A104429-A104432, A104434-A104443.

Sequence in context: A090246 A104442 A104434 this_sequence A104432 A129211 A128461

Adjacent sequences: A104430 A104431 A104432 this_sequence A104434 A104435 A104436

KEYWORD

nonn

AUTHOR

Jonas Wallgren (jonwa(AT)ida.liu.se), Mar 17 2005

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

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