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A093707
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Numbers n such that n^3+(n-1)^2 is a prime.
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0
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3, 4, 6, 7, 13, 15, 18, 21, 27, 36, 37, 39, 40, 49, 51, 66, 67, 72, 73, 75, 81, 88, 90, 91, 97, 106, 108, 109, 114, 115, 120, 121, 123, 133, 135, 136, 138, 145, 147, 153, 156, 157, 159, 163, 168, 169, 186, 187, 201, 202, 208, 214, 222, 226, 231, 232, 237, 238, 249
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 3^21+2^20=10461401779 a prime number
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MATHEMATICA
| Select[ Range[ 250], PrimeQ[ #^3 + (# - 1)^2] &] (from Robert G. Wilson v Jun 17 2004)
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CROSSREFS
| Sequence in context: A033162 A105133 A002982 * A058639 A161001 A139450
Adjacent sequences: A093704 A093705 A093706 * A093708 A093709 A093710
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KEYWORD
| easy,nonn
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AUTHOR
| Herman H. Rosenfeld (herm3(AT)pacbell.net), May 17 2004
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 17 2004
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