id:A139220 - OEIS Search Results

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Numbers n such that 41+(n+n^2)/2 = 41+A000217(n) is prime.

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0, 3, 11, 20, 23, 27, 32, 39, 44, 48, 51, 56, 59, 60, 83, 104, 108, 111, 116, 128, 132, 135, 143, 171, 188, 203, 207, 212, 227, 240, 251, 263, 275, 296, 300, 312, 315, 324, 356, 359, 363, 380, 384, 392, 399, 408, 443, 447, 476, 479, 483, 504, 507, 515, 527, 528 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Corresponding values of primes in A139219.` `Numbers n, such that both 41+(n+n^2)/2 and 41+(n+n^2)` `are primes, in A139221.`
	MATHEMATICA	`Select[Table[Range[0, 1000]], PrimeQ[41+(#+#^2)/2]&]`
	CROSSREFS	`Cf. A000217, A056561, A139219, A139221.` `Sequence in context: A028978 A082628 A166096 this_sequence A139221 A006876 A031239` `Adjacent sequences: A139217 A139218 A139219 this_sequence A139221 A139222 A139223`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Apr 11 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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