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Search: id:A099021
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A099021 Main diagonal of array in A099020. +0
2
1, 1, 4, 24, 198, 2070, 26160, 387240, 6565020, 125341020, 2659925520, 62089917120, 1580632348680, 43571319671880, 1292731109429760, 41068078953501600, 1390717740470058000, 50003952605673066000 (list; graph; listen)
OFFSET

0,3
COMMENT

Diagonal of Euler-Seidel matrix with start sequence A001147.

CROSSREFS

Sequence in context: A024249 A007145 A101370 this_sequence A136229 A138419 A089946

Adjacent sequences: A099018 A099019 A099020 this_sequence A099022 A099023 A099024

KEYWORD

nonn

AUTHOR

Ralf Stephan, Sep 23 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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