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A078581 Arithmetic derivative of the average of n-th twin prime pair. +0
1
4, 5, 16, 21, 31, 41, 92, 156, 91, 216, 121, 185, 336, 640, 249, 316, 608, 459, 241, 596, 476, 704, 1296, 493, 627, 619, 1340, 521, 541, 1072, 1647, 691, 1416, 859, 1281, 1624, 1916, 1445, 1257, 1696, 4800, 1301, 1509, 1363, 1313, 2804, 2192, 2200, 1427 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n)=A003415(A014574(n)).

CROSSREFS

Cf. A078579.

Sequence in context: A137527 A024854 A025617 this_sequence A092809 A058622 A064294

Adjacent sequences: A078578 A078579 A078580 this_sequence A078582 A078583 A078584

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 29 2002

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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