A050653 Numbers n such that number of primes produced according to rules stipulated in Honaker's A048853 is 2.

20, 22, 24, 25, 26, 28, 30, 32, 34, 35, 36, 38, 50, 52, 54, 55, 56, 58, 60, 62, 64, 65, 66, 68, 80, 82, 84, 85, 86, 88, 150, 152, 154, 155, 156, 158, 160, 162, 164, 165, 166, 168, 170, 172, 174, 175, 176, 178, 230, 232, 234, 235, 236, 238, 250, 252, 254, 255, 256

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Example

Altering a(1)=20 gives 2 primes: 23 and 29.

Crossrefs

Cf. A048853, A050662, A050664.

Sequence in context: A128356 A109212 A259742 * A267510 A095453 A095449

Adjacent sequences: A050650 A050651 A050652 * A050654 A050655 A050656

Keyword

nonn,base

Author

Patrick De Geest, Jul 15 1999

Status

approved