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A023666 Convolution of A000201 and A014306. 0
0, 1, 4, 7, 11, 18, 25, 34, 45, 56, 69, 83, 98, 116, 135, 155, 178, 201, 227, 253, 279, 308, 338, 370, 404, 438, 476, 514, 553, 596, 638, 683, 730, 777, 827, 876, 927, 981, 1034, 1092, 1149, 1208, 1269, 1331, 1396, 1462, 1528, 1599, 1669, 1741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Sequence in context: A133257 A156039 A207871 * A023502 A024882 A087203

Adjacent sequences:  A023663 A023664 A023665 * A023667 A023668 A023669

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 19 17:25 EDT 2013. Contains 226415 sequences.