1,4

Table of n, a(n) for n=1..10.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014

Eric Weisstein's World of Mathematics, Distance-Regular Graph

a(n) = A001349(n) - A241814(n).

Sequence in context: A091643 A323620 A306183 * A199318 A117397 A004212

Adjacent sequences: A241837 A241838 A241839 * A241841 A241842 A241843

nonn,less

Travis Hoppe and Anna Petrone, Apr 29 2014

approved