62040

Appears in sequences

• Theta series of 8-d 5-modular lattice Q_8(1) with det 625 and minimal norm 4.at n=18A028976
• Numbers k whose decimal representation, read as a base-22 value and divided by k, yields an integer.at n=31A032575
• Triangle giving numbers of closed plane meanders.at n=47A060972
• Triangle giving numbers of closed plane meanders.at n=52A060972
• Numbers that can be expressed as the difference of the squares of primes in exactly seven distinct ways.at n=16A092003
• Number of pairwise non-isomorphic biconnected planar bipartite graphs on n vertices.at n=9A122113
• a(n) = 40*(200*n - 49).at n=7A157652
• a(n) = A014486(A179756(n)).at n=5A179757
• Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.at n=3A233983
• Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.at n=1A233985
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10 (10 maximizes T(1,1)), and no two adjacent values equal.at n=11A233989
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10 (10 maximizes T(1,1)), and no two adjacent values equal.at n=13A233989
• Number of binary words w of length n with equal numbers of 010 and 101 subwords such that for every prefix of w the number of occurrences of subword 101 is larger than or equal to the number of occurrences of subword 010.at n=19A260697