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A169679 A169677 union A169678. 2
0, 1, 3, 7, 12, 18, 26, 35, 45, 59, 72, 88, 105, 125, 149, 178, 199, 233, 255, 285, 316, 344, 352, 392, 401, 442, 502, 557, 596, 675, 733, 796, 797, 865, 891, 957, 1011, 1086, 1119, 1220, 1311, 1330, 1411, 1564, 1579, 1646, 1773, 1888, 2011, 2120, 2152, 2324, 2371 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Sequence in context: A000969 A194117 A122250 * A024388 A184534 A109638

Adjacent sequences:  A169676 A169677 A169678 * A169680 A169681 A169682

KEYWORD

nonn

AUTHOR

R. K. Guy and N. J. A. Sloane, Mar 27 2010

STATUS

approved

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Last modified April 23 09:35 EDT 2019. Contains 322385 sequences. (Running on oeis4.)