80040
domain: N
Appears in sequences
- Number of sensed 2-connected simple planar maps with n edges.at n=11A006406
- Euler transform of 5 4 3 2 1 1 1 1 1 1 1 ...at n=13A029861
- a(n) = 8000*n + 40.at n=9A157663
- Number of squarefree words of length n in a 6-ary alphabet.at n=6A214940
- T(n,k) = Number of squarefree words of length n in a (k+1)-ary alphabet.at n=61A214943
- Number of squarefree words of length 7 in an (n+1)-ary alphabet.at n=4A214946
- Triangle T(n,k) represents the coefficients of (x^12*d/dx)^n, where n>=1; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=11A223514
- a(n) is the least k such that A056619(k) = prime(n).at n=23A280015
- Number of compositions (ordered partitions) of n into an odd number of powers of 2.at n=22A339427