A075353 Initial term of n-th group in A075352.

1, 2, 3, 5, 7, 10, 13, 17, 21, 26, 31, 37, 43, 49, 56, 63, 71, 79, 88, 97, 107, 117, 128, 139, 151, 163, 175, 188, 201, 215, 229, 244, 259, 275, 291, 308, 325, 343, 361, 380, 399, 418, 438, 458, 479, 500, 522, 544, 567, 590, 614, 638, 663, 688, 714, 740, 767, 794

Offset: 1

Author

Amarnath Murthy, Sep 19 2002

Keywords

• nonn

Crossrefs

Cf. A075352, A075354, A075355, A075356.

Formula

a(n) = A075354(n-1)+1 = a(n-1)+A075355(n-1). - M. F. Hasler, Jul 19 2012

Extensions

More terms from David Wasserman, Jan 16 2005