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A120276 Prime numbers p such that p divides the sum of squares of Catalan numbers A094639(p). 0
2, 19, 29, 67 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Next term is bigger than 2000. - Stefan Steinerberger, Jul 21 2006

LINKS

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

MATHEMATICA

Select[Prime[Range[303]], IntegerQ[Sum[(Binomial[2n, n]/(n + 1))^2, {n, 0, #}]/# ] &] (* Stefan Steinerberger, Jul 21 2006 *)

CROSSREFS

Cf. A094639.

Sequence in context: A102617 A290163 A284496 * A006962 A261312 A090819

Adjacent sequences:  A120273 A120274 A120275 * A120277 A120278 A120279

KEYWORD

nonn

AUTHOR

Alexander Adamchuk, Jul 04 2006

STATUS

approved

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Last modified October 24 01:20 EDT 2018. Contains 316541 sequences. (Running on oeis4.)