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A067638 Row 3 of table in A067640. 2
42, 1504, 37100, 784672, 15294006, 283730240, 5095814988 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
CROSSREFS
Sequence in context: A096048 A215301 A258492 * A155021 A270410 A000502
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 05 2002
STATUS
approved

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Last modified March 28 07:20 EDT 2024. Contains 371235 sequences. (Running on oeis4.)