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A050927
Number of directed multigraphs with loops on 3 nodes with n arcs.
+0
5
1, 2, 10, 31, 90, 222, 520, 1090, 2180, 4090, 7356, 12660, 21105, 34020, 53460, 81891, 122826, 180510, 260746, 370370, 518518, 715870, 976170, 1315470, 1753975, 2314936, 3027224, 3923845, 5044920, 6436200, 8152542, 10255896
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Maintained by
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
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