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A021000
Duplicate of
A020727
.
0
2, 7, 24, 82, 280, 956, 3264, 11144, 38048, 129904, 443520, 1514272, 5170048
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OFFSET
0,1
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A027126
A027128
A099463
*
A003480
A020727
A329274
Adjacent sequences:
A020997
A020998
A020999
*
A021001
A021002
A021003
KEYWORD
dead
STATUS
approved
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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)