11453377195
domain: N
Appears in sequences
- a(n) = (2^n+1)*(2^n+2)/6.at n=18A007581
- Number of set partitions of length <= 4; sum of first 4 columns of triangle of Stirling numbers of 2nd kind; dimension of space of symmetric polynomials in 4 noncommuting variables.at n=19A124303
- Number of oriented rational links with crossing number n.at n=34A329908