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

1,2

Links

Table of n, a(n) for n=1..58.

Formula

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

Crossrefs

Cf. A075352, A075354, A075355, A075356.

Sequence in context: A229170 A022335 A022780 * A132278 A025700 A033638

Adjacent sequences: A075350 A075351 A075352 * A075354 A075355 A075356

Keyword

nonn

Author

Amarnath Murthy, Sep 19 2002

Extensions

More terms from David Wasserman, Jan 16 2005

Status

approved