A023560 Convolution of A023531 and composite numbers (A002808).

0, 4, 6, 8, 13, 16, 20, 23, 29, 34, 40, 44, 47, 56, 64, 69, 73, 79, 85, 95, 102, 109, 116, 123, 129, 136, 147, 155, 165, 173, 179, 188, 200, 206, 216, 227, 237, 247, 255, 265, 275, 283, 291, 305, 318, 329, 339, 349, 359, 370, 381, 391, 402, 417, 430

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A002808, A023531.

Extensions

Missing a(49)=359 inserted by Sean A. Irvine, Jun 06 2019