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 A095649 Primes p = p_(n+1) such that p_n + p_(n+2) = 2*p_(n+1) + 8. 8
 139, 181, 241, 283, 421, 467, 811, 829, 953, 1021, 1051, 1153, 1259, 1307, 1699, 1723, 1831, 1879, 2029, 2089, 2143, 2221, 2251, 2297, 2357, 2423, 2621, 2731, 3001, 3191, 3347, 3361, 3583, 3769, 3823, 3853, 4139, 4219, 4231, 4243, 4261, 4273, 4339, 4373 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes that are second prime chords. These come from music based on the prime differences where the chords are an even number of note steps from the primary note. LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 MATHEMATICA m = 2; Prime[ 1 + Select[ Range[600], Prime[ # + 2] - 2*Prime[ # + 1] + Prime[ # ] - 4*m == 0 &]] (* Robert G. Wilson v, Jul 14 2004 *) Transpose[Select[Partition[Prime[Range[600]], 3, 1], #[[1]]+#[[3]]==2#[[2]]+ 8&]][[2]] (* Harvey P. Dale, Feb 26 2015 *) CROSSREFS Cf. A095419, A095420, A095648, A095650, A095651, A095672, A095673. Sequence in context: A290450 A209618 A031928 * A016067 A142524 A108383 Adjacent sequences:  A095646 A095647 A095648 * A095650 A095651 A095652 KEYWORD nonn AUTHOR Roger L. Bagula, Jul 02 2004 EXTENSIONS Edited by Robert G. Wilson v, Jul 14 2004 Description corrected by N. J. A. Sloane, Jul 19 2004 STATUS approved

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Last modified July 24 20:26 EDT 2021. Contains 346273 sequences. (Running on oeis4.)