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A171873 Column sums of triangle A171871 1
1, 1, 2, 10, 280, 1173468 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
Next term is known to be greater than 220146725295227, based on link between A171871 and A039754.
LINKS
CROSSREFS
Sequence in context: A260231 A003047 A028580 * A098706 A143249 A161181
KEYWORD
nonn
AUTHOR
Robert Munafo, Jan 21 2010
STATUS
approved

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Last modified June 23 04:59 EDT 2024. Contains 373629 sequences. (Running on oeis4.)