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A007172
Erroneous version of
A027610
.
0
1, 1, 1, 3, 7, 24, 93, 434, 2110, 10957, 58713, 321576, 1792133, 10131027, 57949430, 334970205, 1953890318, 11489753730, 68054102361, 405715557048
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OFFSET
1,4
LINKS
Table of n, a(n) for n=1..20.
CROSSREFS
Sequence in context:
A246657
A038169
A176606
*
A027610
A135688
A252785
Adjacent sequences:
A007169
A007170
A007171
*
A007173
A007174
A007175
KEYWORD
dead
STATUS
approved
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Last modified August 14 23:14 EDT 2024. Contains 375171 sequences. (Running on oeis4.)