A119637 - OEIS

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A119637

Related to number of reachable pairs in a digraph (see Rao article for details).

1

0, 2, 4, 9, 14, 22, 28, 44, 52, 67, 84, 97, 117, 139, 163, 189, 206, 235, 266, 299, 334, 371, 410, 451, 478, 522, 568, 616, 666, 718, 748, 803, 860, 919, 980, 1043, 1108, 1175, 1244, 1315, 1388, 1463, 1540, 1619, 1700, 1783, 1838, 1924, 2012

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

A. R. Rao, Table of n, a(n) for n = 1..200

A. R. Rao, The number of reachable pairs in a digraph, Discr. Math., 306 (2006), 1595-1600.

CROSSREFS

Sequence in context: A270532 A281407 A078671 * A169762 A291465 A355606

Adjacent sequences: A119634 A119635 A119636 * A119638 A119639 A119640

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 27 2006

STATUS

approved