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A012266
Duplicate of
A009468
.
0
0, 0, 2, 6, 22, 100, 428, 1008, 12504, 325152, 5509368, 85326120, 1301444520
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A012272
A009789
A012271
*
A009468
A088819
A177478
Adjacent sequences:
A012263
A012264
A012265
*
A012267
A012268
A012269
KEYWORD
dead
STATUS
approved
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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)