A082785 Number of ways n can be written as the sum of a brilliant number and a prime.

0, 0, 0, 0, 0, 1, 1, 1, 2, 0, 3, 2, 2, 1, 2, 2, 5, 1, 2, 2, 3, 2, 4, 1, 2, 3, 4, 4, 2, 1, 1, 4, 3, 2, 2, 1, 3, 5, 1, 3, 2, 2, 2, 3, 2, 3, 3, 2, 1, 2, 4, 5, 2, 3, 1, 4, 3, 3, 1, 1, 1, 5, 2, 2, 2, 3, 2, 5, 1, 1, 2, 3, 2, 2, 2, 3, 3, 3, 1, 3, 2, 4, 2, 1, 2, 3, 2, 4, 2, 1, 0, 4, 3, 3, 1, 3, 1, 3, 1, 1, 1, 2, 2, 3, 1

Offset

1,9

Links

Table of n, a(n) for n=1..105.

Example

a(17) = 5 because 17 = 4+13 = 6+11 = 10+7 = 14+3 = 15+2.

Crossrefs

Cf. A078972.

Sequence in context: A221879 A171934 A303205 * A100949 A152164 A263112

Adjacent sequences: A082782 A082783 A082784 * A082786 A082787 A082788

Keyword

nonn

Author

Jason Earls, Jun 26 2003

Status

approved