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A228773
Duplicate of
A034889
.
0
0, 1, 1, 3, 10, 61, 564, 7593, 123874, 2262877, 44190279, 904777809, 19207129217
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OFFSET
1,4
LINKS
Table of n, a(n) for n=1..13.
CROSSREFS
Sequence in context:
A013565
A156075
A330624
*
A034889
A260969
A305853
Adjacent sequences:
A228770
A228771
A228772
*
A228774
A228775
A228776
KEYWORD
dead
STATUS
approved
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Last modified May 11 04:25 EDT 2024. Contains 372388 sequences. (Running on oeis4.)