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A255489 Row 3 of array in A211400. 1
1, 5, 36, 295, 2583, 23580, 221680 (list; graph; refs; listen; history; text; internal format)
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: A188899 A052203 A027331 * A091161 A135149 A269007

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 January 27 21:46 EST 2020. Contains 331297 sequences. (Running on oeis4.)