A138982 Primes not in A138980.

2, 59, 163, 283, 311, 313, 383, 461, 541, 587, 619, 653, 857, 991, 1033, 1051, 1069, 1153, 1277, 1367, 1511, 1613, 1693, 1933, 2129, 2179, 2287, 2437, 2473, 2521, 2663, 2731, 2957, 3109, 3167, 3169, 3251, 3343, 3449, 3581, 3631, 3691, 3907, 3919, 4049, 4451, 4639, 4663, 4751, 4793, 5051, 5099, 5227, 5303, 5309, 5381, 5387, 5449, 5521, 5701, 6043, 6091, 6247, 6361, 6451, 6823, 7309, 7393, 7411, 7489, 7541, 7547, 7589, 7759, 7901, 8377, 8501, 8513, 9227, 9281, 9311, 9769

Offset

1,1

Comments

Except for the first term, the sequences A049561 and A138980 both consist of all odd primes except for 59, up to p=163 which is in A049561 but not in A138980.

Links

Table of n, a(n) for n=1..82.

Prog

(PARI) s=a=1; for(i=1, 10^3, /*print1(", "a); */ while(isprime( s+a=nextprime(a+1) ), print1(a", ")); s+=a) /*using instead the commented-out print() command yields the sequence A138980.*/

Crossrefs

Cf. A138980, A138981.

Sequence in context: A329551 A153925 A100273 * A142666 A378702 A349501

Adjacent sequences: A138979 A138980 A138981 * A138983 A138984 A138985

Keyword

nonn

Author

Leroy Quet and M. F. Hasler, Apr 05 2008

Status

approved