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A004762 Numbers n such that binary expansion does not begin 100. +0
2
0, 1, 2, 3, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 (list; graph; listen)
OFFSET

1,3

LINKS

L. Sze, Sequence 102

FORMULA

G.f.: x/(1-x)^2 + x/(1-x) * Sum[k>=0, 2^k*x^(3*2^k)].

CROSSREFS

a(n+1) = n + 2^A099396(n).

Sequence in context: A119316 A102750 A166111 this_sequence A061854 A089105 A110086

Adjacent sequences: A004759 A004760 A004761 this_sequence A004763 A004764 A004765

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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