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A033554 In A015922, not in A033553. 1
1, 2, 3, 4, 8, 248, 731, 1333, 1533, 2583, 2847, 3503, 4161, 4251, 4947, 4983, 5355, 5715, 6141, 7503, 8103, 9435, 9513, 9831, 10923, 12291, 13107, 14043, 17608, 17889, 20853, 23871, 25443, 27795, 29127, 29319, 29643, 30783, 32235, 33915, 34323, 35003 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Sequence in context: A273063 A217353 A258194 * A091930 A124526 A124418

Adjacent sequences:  A033551 A033552 A033553 * A033555 A033556 A033557

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

Terms 1, 2, 3, 4, 8 prepended by Max Alekseyev, Oct 03 2016

STATUS

approved

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Last modified February 23 13:10 EST 2018. Contains 299581 sequences. (Running on oeis4.)