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A181159 First occurrence of n in A181157. 3
1, 2, 6, 4, 16, 12, 36, 34, 28, 10, 82, 72, 166, 58, 142, 118, 52, 262, 238, 250, 130, 22, 382, 370, 232, 670, 190, 112, 652, 492, 766, 328, 610, 172, 70, 1066, 910, 874, 514, 490, 1492, 466, 1390, 352 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..44.

CROSSREFS

Sequence in context: A110346 A095754 A226718 * A127320 A098917 A054786

Adjacent sequences:  A181156 A181157 A181158 * A181160 A181161 A181162

KEYWORD

nonn

AUTHOR

Keisuke Sato (st(AT)r3z.org), Oct 07 2010

STATUS

approved

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Last modified January 28 09:52 EST 2020. Contains 331319 sequences. (Running on oeis4.)