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A116936
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Numbers n such that in the 3 X 3 square arrangement of the 9 primes p(n),..,p(n+8) totals of 3 rows, 3 columns and 2 diagonals all all prime.
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1
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417979, 5828779, 6778746, 9866895, 20250501, 20583048, 20688247, 26172783, 35972619, 60914800, 67162336, 78692065, 78798340, 101105398, 104627288, 126648015, 131916133, 138376385, 170592575, 172837628, 180756151
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(1) = 417979 because p(417979) = 6080051 and we have 3 x 3 square with desired property:
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..........6080051...6080059...6080069.=>.18240179
..........6080131...6080141...6080147.=>.18240419
..........6080149...6080153....6080161.=>.18240463.
........//...||........||........||...\.
.18240359....VV........VV........VV...18240353.
..........18240331...18240353...18240377.
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CROSSREFS
| Cf. A097231.
Sequence in context: A184770 A104920 A151838 * A206315 A184373 A164729
Adjacent sequences: A116933 A116934 A116935 * A116937 A116938 A116939
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KEYWORD
| nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Feb 27 2006
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EXTENSIONS
| Extended by D. S. McNeil (mcneil(AT)hku.hk), Dec 16 2010
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