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A255489
Row 3 of array in
A211400
.
1
1, 5, 36, 295, 2583, 23580, 221680
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OFFSET
1,2
COMMENTS
Row 2 gives the Catalan numbers, which automatically makes row 3 interesting.
LINKS
Table of n, a(n) for n=1..7.
CROSSREFS
Cf.
A000108
,
A211400
.
Sequence in context:
A332624
A027331
A357153
*
A091161
A364765
A135149
Adjacent sequences:
A255486
A255487
A255488
*
A255490
A255491
A255492
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Mar 01 2015
STATUS
approved
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Last modified August 30 13:06 EDT 2024. Contains 375543 sequences. (Running on oeis4.)