10480142147
domain: N
Appears in sequences
- Bell or exponential numbers: number of ways to partition a set of n labeled elements.at n=16A000110
- Number of oriented multigraphs on n labeled arcs (with loops).at n=8A020557
- a(n) = Bell(n^2), where Bell(n) are the Bell numbers, cf. A000110.at n=4A068939
- Every fourth Bell number A000110.at n=4A070907
- Numerator of coefficients of power series for exp(exp(x)-1).at n=16A076903
- a(n) = Bell(3*n+1).at n=5A121292
- Odd Bell numbers.at n=11A134715
- a(n) = A000110(2^n).at n=4A135085
- Denominator of Sum_{i=0..n-1} B(i)/B(n), where B(i) = A000110(i) are the Bell numbers.at n=16A192987
- Number of arrays of n 0..15 integers with new values introduced in order 0..15 but otherwise unconstrained.at n=15A203646
- Number of horizontal and antidiagonal neighbor colorings of the even squares of an nX3 array with new integer colors introduced in row major order.at n=10A216333
- Number of periodic palindromic structures of length n using an infinite alphabet.at n=31A285013
- Expansion of e.g.f.: exp(exp(-x) - 1).at n=16A292935
- E.g.f.: A(x,y) = exp(-1-y) * Sum_{n>=0} (exp(n*x) + y)^n / n!, where A(x,y) = Sum_{n>=0} x^n/n! * Sum_{k=0..n} T(n,k)*y^k, as a triangle of coefficients T(n,k) read by rows.at n=36A326600
- Number of partitions of [n] having exactly one parity change within the partition.at n=33A363550