A185935 Lesser of two consecutive primes which both equal 2 (mod 3).

23, 47, 53, 83, 131, 167, 173, 233, 251, 257, 263, 353, 383, 443, 467, 503, 509, 557, 563, 587, 593, 647, 653, 677, 797, 941, 947, 971, 977, 1013, 1097, 1103, 1181, 1187, 1217, 1223, 1259, 1283, 1307, 1361, 1367, 1433, 1493, 1499, 1511, 1553, 1601, 1613, 1709, 1811, 1889, 1901, 1907, 1913, 1973, 2063, 2069, 2099, 2207

Offset: 1

Author

M. F. Hasler, Feb 06 2011

Keywords

• nonn

Comments

Or, primes of the form 6k-1 such that the next larger prime is again of the form 6k'-1.

Programs

PARI

forprime( p=1,1e4, (o+0-o=p)%3==0 & p%3==2 & print1( precprime(p-1)","))