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A111401 f(f(n+1)-f(f(n), where f() = Catalan() = A000108. 0
0, 1, 40, 2674398, 39044429911904441284800, 10934377152170553993439479038404269881062854488806451946716107868799042109068 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

Sequence in context: A300842 A159428 A115482 * A116101 A167265 A214337

Adjacent sequences:  A111398 A111399 A111400 * A111402 A111403 A111404

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 12 2005

STATUS

approved

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Last modified March 28 11:49 EDT 2020. Contains 333083 sequences. (Running on oeis4.)