63400
domain: N
Appears in sequences
- Number of ways to place 4 nonattacking amazons (superqueens) on an n X n board.at n=8A173214
- E.g.f. satisfies: A(log(1+x)) = x*exp(A(x)).at n=5A201827
- Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>=0.at n=25A211612
- Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with 1,2,1.at n=22A222125
- Number of length n+2 0..7 arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.at n=3A250560
- T(n,k)=Number of length n+2 0..k arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.at n=48A250561
- Number of length 4+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.at n=6A250563
- Numbers that are the sum of 10 consecutive primes and also the sum of 10 consecutive semiprimes.at n=14A284102