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A023594 Sum of distinct prime divisors of 2*p(n)+1. 0
5, 7, 11, 8, 23, 3, 12, 16, 47, 59, 10, 8, 83, 32, 24, 107, 24, 44, 8, 24, 10, 56, 167, 179, 21, 36, 26, 48, 76, 227, 25, 263, 16, 34, 36, 104, 15, 112, 72, 347, 359, 14, 383, 46, 84, 29, 50, 152, 25, 20, 467, 479, 33, 503, 108, 48, 18, 184, 45, 563, 10 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Array[Plus@@First/@FactorInteger[2*Prime[ # ]+1]&, 5! ] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Feb 28 2010]

CROSSREFS

Sequence in context: A167372 A023590 A096919 * A104200 A115044 A107257

Adjacent sequences:  A023591 A023592 A023593 * A023595 A023596 A023597

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.