A088636 a(1) = 1, a(2n+1) - a(2n) = composite(n), a(2n) - a(2n-1) = prime(n).

1, 3, 7, 10, 16, 21, 29, 36, 45, 56, 66, 79, 91, 108, 122, 141, 156, 179, 195, 224, 242, 273, 293, 330, 351, 392, 414, 457, 481, 528, 553, 606, 632, 691, 718, 779, 807, 874, 904, 975, 1007, 1080, 1113, 1192, 1226, 1309, 1344, 1433, 1469, 1566, 1604, 1705

Offset: 1

Author

Amarnath Murthy, Oct 26 2003

Keywords

• nonn

Crossrefs

Partial sums of A073846.

Extensions

More terms from David Wasserman, Aug 16 2005