131037
domain: N
Appears in sequences
- a(n) = 2^n - (2*n+1).at n=17A070313
- Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=9A303184
- Number of dominating sets in the n-cycle complement graph.at n=17A347502
- Integers m such that sigma(m) + sigma(m+1) + sigma(m+2) - sigma(m+3) <= 0, where sigma is the sum of divisors.at n=30A348698