119870150400
domain: N
Appears in sequences
- Second (unsigned) column sequence of triangle A062140 (generalized a=4 Laguerre).at n=10A062199
- Number of n X n symmetric (0,1) matrices that achieve the record mentioned in A191965.at n=14A191966
- Total number of occurrences of the consecutive step pattern given by the binary expansion of n (where 1=up and 0=down) in all permutations of [n].at n=15A249249