A220187 Smallest integer m such that number of representations of 2 m + 1 as p + 4 q is n, with p, q primes.

5, 9, 12, 24, 37, 43, 40, 67, 88, 97, 109, 127, 145, 160, 199, 157, 217, 316, 262, 232, 220, 277, 307, 352, 388, 451, 397, 427, 568, 412, 562, 367, 556, 532, 472, 652, 724, 697, 637, 667, 808, 757, 871, 577, 682, 1081, 1264, 967, 787, 952, 1057, 907, 1087, 1117, 1012, 1102, 1333, 1147, 1252, 892, 1543, 997, 1342, 1237, 1327

Offset

1,1

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Example

a(2) = 9 because 19 = 7 + 4*3 = 11 + 4*2 (2 representations),
a(3) = 12 because 25 = 5 + 4*5 = 13 + 4*3 = 17 + 4*2 (3 representations).

Crossrefs

Cf. A219254 Number of representations of 2n+1 as p+4q.

Sequence in context: A314648 A314649 A314650 * A073853 A070370 A277617

Adjacent sequences: A220184 A220185 A220186 * A220188 A220189 A220190

Keyword

nonn

Author

Zak Seidov, Apr 13 2013

Status

approved