A243624 Numbers that are the sum of 2 different primes, with repetitions.

5, 7, 8, 9, 10, 12, 13, 14, 15, 16, 16, 18, 18, 19, 20, 20, 21, 22, 22, 24, 24, 24, 25, 26, 26, 28, 28, 30, 30, 30, 31, 32, 32, 33, 34, 34, 34, 36, 36, 36, 36, 38, 39, 40, 40, 40, 42, 42, 42, 42, 43, 44, 44, 44, 45, 46, 46, 46, 48, 48, 48, 48, 48, 49, 50, 50, 50, 50, 52, 52, 52, 54, 54, 54, 54, 54, 55, 56, 56, 56, 58, 58, 58

Offset

1,1

Links

Table of n, a(n) for n=1..83.

Example

16=3+13=5+11 hence 16 occurs twice,
24=5+19=7+13=11+13 hence 24 occurs 3 times,
50=p+q with {p,q}={{3,47},{7,43},{13,37},{19,31}, 4 representations
48=p+q with {p,q}={{5,43},{7,41},{11,37},{17,31},{19,29}}, 5 representations.

Crossrefs

Cf. A014091, A038609.

Sequence in context: A031950 A043694 A043602 * A038609 A078892 A370090

Adjacent sequences: A243621 A243622 A243623 * A243625 A243626 A243627

Keyword

nonn

Author

Zak Seidov, Mar 07 2015

Status

approved