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A115050 Numbers n such that in the 3 X 3 square arrangement of the 9 primes p(n),..,p(n+8), totals of 3 rows and 3 columns, are all prime. 0
4, 8116, 12653, 12659, 53382 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(1) = 417979 because p(417979) = 6080051 and we have 3 x 3 square with desired property:

................

..7..11..13=>31.

.17..19..23=>59.

.29..31..37=>97.

..v..v...v.

.53..61..73.

CROSSREFS

Cf. A116936.

Sequence in context: A058464 A053951 A058460 * A072724 A116271 A201392

Adjacent sequences:  A115047 A115048 A115049 * A115051 A115052 A115053

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Feb 28 2006

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.