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A075353 Initial term of n-th group in A075352. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 1 14:10 EST 2021. Contains 349430 sequences. (Running on oeis4.)