A174236 - OEIS

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A174236

n-th number k such that k*4-+1 is twin prime pair plus n-th number m such that m*4+2-+1 is twin prime pair.

2, 7, 22, 28, 52, 79, 85, 106, 127, 148, 202, 235, 250, 304, 325, 409, 460, 472, 493, 550, 595, 664, 682, 694, 727, 775, 841, 877, 937, 970, 1006, 1042, 1060, 1102, 1144, 1225, 1267, 1315, 1414, 1462, 1489, 1513, 1567, 1654, 1675, 1714, 1747, 1774, 1813, 1897

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

FORMULA

a(n)=A045753(n)+A123986(n).

CROSSREFS

Cf. A045753, A123986.

Sequence in context: A175871 A137107 A284921 * A131856 A283236 A007344

Adjacent sequences: A174233 A174234 A174235 * A174237 A174238 A174239

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Mar 13 2010

EXTENSIONS

Corrected (108 replaced by 106) by R. J. Mathar, Apr 16 2010

STATUS

approved