A030996 Concatenation of n consecutive primes starting with the prime a(n) is a prime.

2, 2, 5, 2, 7, 113, 29, 107, 211, 691, 23, 11, 5, 71, 277, 181, 13, 307, 43, 223, 43, 167, 31, 23, 151, 29, 67, 383, 19, 53, 53, 277, 541, 37, 103, 127, 947, 79, 4409, 1699, 13, 73, 31, 107, 751, 1187, 1069, 859, 67, 229, 293, 47, 1303, 2909, 1319

Offset

1,1

Links

Paolo P. Lava, Table of n, a(n) for n = 1..250 (terms 1..100 from Zak Seidov)

Crossrefs

Cf. A000040, A030997.

Sequence in context: A204202 A336924 A025124 * A368580 A309208 A293225

Adjacent sequences: A030993 A030994 A030995 * A030997 A030998 A030999

Keyword

nonn,base

Author

Patrick De Geest, Warut Roonguthai

Extensions

Edited by Charles R Greathouse IV, Apr 30 2010

Status

approved