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Search: id:A003138
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A003138 Nearest integer to 24(2^n-1)/n. +0
2
24, 36, 56, 90, 149, 252, 435, 765, 1363, 2455, 4466, 8190, 15122, 28085, 52427, 98303, 185041, 349524, 662257, 1258290, 2396744, 4575603, 8753329, 16777215, 32212254, 61946643, 119304646, 230087533 (list; graph; listen)
OFFSET

1,1

REFERENCES

R. J. Penrose, Twistor Newsletter, No. 41, p. 22, 1996.

LINKS

Z. Sunic, Tree morphisms, transducers and integer sequences

CROSSREFS

Sequence in context: A124283 A143645 A003176 this_sequence A003177 A038530 A108190

Adjacent sequences: A003135 A003136 A003137 this_sequence A003139 A003140 A003141

KEYWORD

nonn

AUTHOR

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

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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