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A335700 A variant of A000179 and A102761. 4
1, 0, 0, 1, 2, 13, 80, 579, 4738, 43387, 439792, 4890741, 59216642, 775596313, 10927434464, 164806435783, 2649391469058, 45226435601207, 817056406224416, 15574618910994665, 312400218671253762, 6577618644576902053, 145051250421230224304, 3343382818203784146955, 80399425364623070680706, 2013619745874493923699123 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

REFERENCES

William Orrick, Postings to Sequence Fans Mailing List, August 2020

LINKS

Table of n, a(n) for n=0..25.

CROSSREFS

A000179, A102761, and the present sequence are all essentially the same sequence but with different conventions for the initial terms a(0) and a(1).

Sequence in context: A179237 A216316 A000179 * A246383 A189087 A037739

Adjacent sequences:  A335697 A335698 A335699 * A335701 A335702 A335703

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 06 2020

STATUS

approved

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Last modified April 13 02:47 EDT 2021. Contains 342934 sequences. (Running on oeis4.)