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A092832 Prime Motzkin numbers (see A001006). 1
2, 127, 15511, 953467954114363 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Motzkin Number

MATHEMATICA

a[0]=1; a[n_Integer]:=a[n]=a[n-1]+Sum[a[k]*a[n-2-k], {k, 0, n-2}]; lst={}; Do[If[PrimeQ[p=a[n]], AppendTo[lst, p]], {n, 10^2}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 21 2008 *)

CROSSREFS

Cf. A001006, A092831.

Sequence in context: A062588 A125634 A075596 * A181001 A105761 A157473

Adjacent sequences:  A092829 A092830 A092831 * A092833 A092834 A092835

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Mar 06 2004

STATUS

approved

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Last modified December 6 15:01 EST 2016. Contains 278781 sequences.