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A060012 Lesser of irregular twin primes. 1
101, 461, 617, 809, 1151, 1619, 1787, 1877, 2381, 2789, 3581, 3851, 4001, 4049, 4259, 4637, 5099, 5441, 5477, 5639, 6449, 6569, 7211, 7487, 7949, 8087, 8219, 8597, 8627, 8837, 9011, 9041, 9431, 10427, 11117, 11351, 11777, 12239, 13217, 13709, 13721 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

a = 0; Do[p = Prime[ n]; k = 1; While[ 2*k < p - 3 && Mod[ Numerator[ BernoulliB[ 2*k] ], p] != 0, k++ ]; If[ 2*k != p - 3, If[ a + 2 == p, Print[ a] ]; a = p ], {n, 3, 1500}]

CROSSREFS

Cf. A000928.

Sequence in context: A031698 A055438 A142692 * A142507 A131697 A153806

Adjacent sequences:  A060009 A060010 A060011 * A060013 A060014 A060015

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Mar 16 2001

EXTENSIONS

More terms from Robert G. Wilson v, Apr 01 2005

STATUS

approved

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Last modified April 19 21:01 EDT 2019. Contains 322291 sequences. (Running on oeis4.)