78917
domain: N
Appears in sequences
- Expansion of layer susceptibility series for square lattice.at n=12A007288
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 15.at n=36A051980
- Number of 4 X n binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=41A266937
- a(n) = number of segments (edges) in the configuration A290447(n).at n=33A290866