40306

Appears in sequences

• Numbers k such that 30 plus the k-th triangular number is a perfect square.at n=10A154154
• Triangle read by rows: T(n,m)=2*Binomial[n, m] - (m! - n! + (-m + n)!).at n=39A155451
• Triangle read by rows: T(n,m)=2*Binomial[n, m] - (m! - n! + (-m + n)!).at n=41A155451
• a(n) = 2*a(n-1) + a(n-2) + n^2 for n > 1, with a(0) = 0, a(1) = 1.at n=11A271389
• The sixth term of the greedy B_n set of natural numbers.at n=17A369818
• Number of permutations of [n] having no substring [k,k+1,k+2,k+3,k+4,k+5].at n=8A370384