A118104 Primes in A118103.

2, 47, 67, 173, 229, 257, 877, 1009, 1031, 1097, 1163, 1669, 1721, 1747, 1877, 2731, 2791, 2851, 2971, 3001, 3061, 3121, 3181, 3271, 3301, 3331, 3361, 3391, 3407, 3583, 3631, 3727, 3823, 3919, 3967, 4079, 4111, 4127, 4159, 4597, 4733, 4801, 4903, 4937

Offset

1,1

Comments

Primes are relatively scarce in A118103 because there is often a common factor between a(n) and the difference a(n)-a(n-1); if this same difference applies to the next term, it will also be composite.

Links

Charlie Neder, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A118103, A118105.

Sequence in context: A393493 A139839 A248862 * A107211 A069548 A065044

Adjacent sequences: A118101 A118102 A118103 * A118105 A118106 A118107

Keyword

nonn

Author

Franklin T. Adams-Watters, Apr 12 2006

Status

approved