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A004644
Duplicate of
A000866
0
1, 2, 4, 13, 31, 112, 224, 1003, 2011, 4022, 13044, 31143, 112341, 230232, 1011014
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..14.
CROSSREFS
Sequence in context:
A148224
A148225
A148226
*
A000866
A320424
A148227
Adjacent sequences:
A004641
A004642
A004643
*
A004645
A004646
A004647
KEYWORD
dead
STATUS
approved
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Last modified March 19 01:22 EDT 2024. Contains 370952 sequences. (Running on oeis4.)