1,6
Eric Weisstein's World of Mathematics, Weakly Regular Graph
Cf. A000517, A076435.
Sequence in context: A067709 A102545 A045521 this_sequence A049441 A059622 A131475
Adjacent sequences: A076431 A076432 A076433 this_sequence A076435 A076436 A076437
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Oct 11, 2002
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