66308
domain: N
Appears in sequences
- First row of infinite array A(j,k): A(j,1) = j-1; A(1,k) = A(2,k-1); for j, k > 1, A(j,k) = A(j-1,k) - A(j+1,k-1) if that number is positive and not already in column k, A(j,k) = A(j-1,k) + A(j+1,k-1) otherwise.at n=25A140985
- a(n) = sum of minimal runlengths of all the partitions of n.at n=42A364808
- Number of graphs with n vertices that have no induced regular subgraph of order 5 or greater.at n=8A390919