A116358 Numbers that cannot be written as sum of products of two successive primes.

1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 37, 38, 40, 43, 44, 46, 49, 52, 55, 58, 61, 64, 67, 73, 79

Offset

1,2

Comments

A116357(a(n)) = 0; complement of A116359.

Links

Table of n, a(n) for n=1..40.

Crossrefs

Sequence in context: A324849 A091010 A306528 * A060683 A129511 A174905

Adjacent sequences: A116355 A116356 A116357 * A116359 A116360 A116361

Keyword

nonn,fini,full

Author

Reinhard Zumkeller, Feb 12 2006

Status

approved