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 A238435 Expansion of 1/G(1) where G(k) = 1 - (q/(1-q))^k / G(k+1). 2
 1, 1, 2, 5, 13, 34, 90, 241, 650, 1760, 4777, 12989, 35369, 96419, 263071, 718215, 1961708, 5359970, 14648860, 40043679, 109479810, 299356896, 818630450, 2238827146, 6123220904, 16747896604, 45809670800, 125304652189, 342758051845, 937597571659, 2564790809491, 7016051357877, 19192778123621, 52503269515758 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS What does this sequence count? LINKS PROG (PARI) N = 66;  q = 'q + O('q^N); G(k) = if(k>N, 1,  1 - (q/(1-q))^k / G(k+1) ); Vec( 1/G(1) ) CROSSREFS Cf. A238436: 1/G(1) where G(k) = 1 - (q*(1+q))^k / G(k+1). Cf. A238437: 1/G(1) where G(k) = 1 - (q^k/(1-q^k)) / G(k+1). Sequence in context: A006801 A329674 A114173 * A023425 A304173 A217896 Adjacent sequences:  A238432 A238433 A238434 * A238436 A238437 A238438 KEYWORD nonn AUTHOR Joerg Arndt, Feb 27 2014 STATUS approved

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Last modified October 20 09:49 EDT 2020. Contains 337900 sequences. (Running on oeis4.)