A092839 - OEIS

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A092839

Indices of prime super Catalan numbers.

3, 4, 6, 10, 216 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Super Catalan Number` `Eric Weisstein's World of Mathematics, Integer Sequence Primes`
	PROG	`(PARI) s(m)= { if (m==1, return(a1)); if (m==2, return(a2)); r = (3(2m - 3)a2 - (m - 3)a1)/m; a1=a2; a2=r; return(r); } { a1=1; a2=1; n=0; for (m=1, 300, a=s(m); if (isprime(a), write("b092839.txt", n++, " ", m))); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 21 2009]`
	CROSSREFS	`Cf. A001003, A092840.` `Sequence in context: A103016 A061032 A091424 * A185874 A047413 A115018` `Adjacent sequences: A092836 A092837 A092838 * A092840 A092841 A092842`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Mar 07, 2004`

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Last modified February 15 07:42 EST 2012. Contains 205717 sequences.