25958

Appears in sequences

• Number of asymmetric types of (3,n)-hypergraphs under action of symmetric group S_3.at n=13A055536
• The array in A059219 read by antidiagonals in 'up' direction.at n=49A059220
• The array in A059219 read by antidiagonals in the direction in which it was constructed.at n=49A059235
• Even elements of A080435.at n=16A082930
• Indices of primes in sequence defined by A(0) = 17, A(n) = 10*A(n-1) + 27 for n > 0.at n=18A102034
• Composite numbers whose concatenation of their aliquot parts, in descending order, is a palindrome.at n=38A249301
• a(n) = Sum_{k=1..n} floor(n/(2*k-1))^k.at n=46A350147
• Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n.at n=22A359694