24409

Appears in sequences

• Number of rooted compound windmills with n nodes and leaves of 2 colors.at n=9A032201
• Triangular array read by rows: T(n,k) is the number of functions f:{1,2,...,n}->{1,2,...,n} with exactly k elements x such that |f^(-1)(x)| = 1; n>=0, 0<=k<=n.at n=28A206823
• a(n) = Sum_{i=0..n} digsum(i)^3, where digsum(i) = A007953(i).at n=52A231688
• Number of endofunctions on [n] such that no element has a preimage of cardinality one.at n=7A231797
• Triangle read by rows: T(n,k) (1 <= k <= n) defined by T(n,n) = (n-1)^(n-1), T(n,k) = T(n,k+1) - (n-1)*T(n-1,k) for k = n-1 .. 1.at n=28A241580
• Number A(n,k) of endofunctions on [n] such that no element has a preimage of cardinality k; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=43A245405
• Consecutive states of the linear congruential pseudo-random number generator (1255*s + 6173) mod 29282 when started at s=1.at n=38A385339