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A108042 Leading diagonal of triangle A108041. 3
1, 1, 2, 7, 42, 443, 8473, 302615, 20667866, 2746018153, 717844380672, 371804591916373, 383132488758103018, 787329849067164994524, 3230799141690805716086494, 26492531918877575209777027523, 434278730987058524389013641832164, 14234353051803016490396754839888900505 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..17.

CROSSREFS

Sequence in context: A007065 A005130 A091669 * A152559 A267239 A001174

Adjacent sequences:  A108039 A108040 A108041 * A108043 A108044 A108045

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 01 2005

STATUS

approved

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Last modified February 22 08:00 EST 2018. Contains 299447 sequences. (Running on oeis4.)