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A075648 Left side of the triangle A075652. 5
1, 2, 3, 7, 8, 14, 22, 31, 40, 60, 82, 83, 108, 162, 205, 221, 222, 342, 379, 399, 421, 508, 597, 669, 718, 894, 947, 727, 1183, 1300, 1361, 1517, 1551, 1754, 1823, 1999, 2288, 2548, 2625, 2821, 3142, 3350, 3519, 3995, 2479, 4320, 4321, 2081, 4660, 5409, 5054 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

It seems that a(n) = O(n^2.9). - Andrey Zabolotskiy, Nov 09 2016

LINKS

Andrey Zabolotskiy, Table of n, a(n) for n = 1..260

EXAMPLE

a(4) = 7 and not 5 as 9 has already occurred in the previous row.

CROSSREFS

Cf. A075649, A075650, A075651, A075652.

Sequence in context: A199971 A033082 A084406 * A071527 A307328 A097095

Adjacent sequences:  A075645 A075646 A075647 * A075649 A075650 A075651

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 October 3 16:31 EDT 2022. Contains 357237 sequences. (Running on oeis4.)