32953

Appears in sequences

• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,1,2}.at n=33A080000
• Triangle, read by rows, where column k equals column 0 of A113983^(k+1): T(n,k) = [A113983^(k+1)](n-k,0) for n>=k>=0.at n=57A113993
• Column 2 of triangle A113993, also equals column 0 of A113983^3.at n=8A113994
• Semiprimes sp of the form p^2 + q + 1 where p and q are consecutive primes.at n=15A242243
• a(n) = Sum_{k=1..n} floor(n/k)*2^(k-1).at n=14A268235
• Magic numbers of anti-Mackay icosahedra.at n=19A277131
• Number of 6-cycles in the n-polygon diagonal intersection graph.at n=28A300554
• Number of finite sets of integer partitions with all equal sums and total sum n.at n=30A359041