31206
domain: N
Appears in sequences
- Number of bipartite polyhedral graphs with n nodes.at n=12A007028
- Numbers k such that k^6 + 1091 is prime.at n=18A066386
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=11A148223
- Number of 7 X 7 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.at n=22A156392
- Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 22.at n=4A156478
- Number of distinct topologies on an n-set with exactly 6 open sets.at n=7A281774
- A digitized pure tuning tone, sampled at standard settings for consumer audio: a(n) = floor(sin(2*Pi*(440/44100)*n)*32767).at n=30A320277
- Expansion of x*(1 + 2*x - 3*x^2 + 4*x^3) / (1 - x - x^2 + x^3 - x^4).at n=25A322753
- Number of binary words of length n with all distinct run-lengths.at n=27A351017