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A075649 Right side of the triangle A075652. 4
1, 4, 9, 19, 28, 44, 64, 87, 112, 150, 192, 215, 264, 344, 415, 461, 494, 648, 721, 779, 841, 970, 1103, 1221, 1318, 1544, 1649, 1483, 1995, 2170, 2291, 2509, 2607, 2876, 3013, 3259, 3620, 3954, 4107, 4381, 4782, 5072, 5325, 5887, 4459, 6390, 6483, 4337 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..48.

FORMULA

a(n) = A075648(n) + n*(n-1). - Andrey Zabolotskiy, Nov 09 2016

CROSSREFS

Cf. A075648, A075650, A075651, A075652.

Sequence in context: A147977 A045278 A184723 * A199972 A327753 A100448

Adjacent sequences:  A075646 A075647 A075648 * A075650 A075651 A075652

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Oct 01 2002

EXTENSIONS

More terms from David Wasserman, Jan 22 2005

New name from Ivan Neretin, Nov 09 2016

STATUS

approved

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Last modified July 2 03:39 EDT 2022. Contains 354985 sequences. (Running on oeis4.)