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Search: id:A053206
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A053206 Row sums of A053203. +0
2
2, 0, 6, 6, 2, 0, 14, 0, 30, 36, 46, 0, 26, 0, 54, 48, 46, 0, 110, 30, 54, 78, 126, 0, 212, 0, 222, 72, 2, 86, 134, 0, 78, 84, 214, 0, 398, 0, 278, 330, 278, 0, 542, 126, 222, 414, 378, 0, 620, 96, 590, 120, 350, 0, 734, 0, 870, 384, 894, 290, 458, 0, 150, 558, 742, 0, 1142 (list; graph; listen)
OFFSET

6,1

COMMENT

a(p(n)) = 0, where p(n) = prime numbers A000040.

FORMULA

a(n) = A053204(n) - n*((n+1) mod 2) - 2

EXAMPLE

a(6) = 3 + 0 + 0 + 3 = 6.

CROSSREFS

Cf. A053201, A053202, A053204.

Sequence in context: A105110 A064696 A021488 this_sequence A106848 A059444 A057720

Adjacent sequences: A053203 A053204 A053205 this_sequence A053207 A053208 A053209

KEYWORD

nonn,easy

AUTHOR

Asher Auel (asher.auel(AT)reed.edu) Dec 12, 1999

EXTENSIONS

Corrected and extended by James A. Sellers (sellersj(AT)math.psu.edu), Dec 13 1999

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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