30379

Appears in sequences

• Sum of distinct orders of degree-n even permutations.at n=27A060180
• Diagonal sums of A083856.at n=15A110113
• Row sums of triangle A114176, where the g.f. of column n equals the g.f. of row n divided by (1-x)^(n+1)*(1-x^2)^n.at n=10A114177
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-0110-1111 pattern in any orientation.at n=12A147354
• Number of, not necessarily connected, regular simple graphs on n vertices with girth exactly 7.at n=32A198317
• Number of (n+1)X(n+1) -9..9 symmetric matrices with every 2X2 subblock having sum zero and one, two or three distinct values.at n=6A211553
• Numbers n such that the decimal representation of the Elias delta code of n is a palindromic prime.at n=5A281496
• Number of integer partitions of n with at least two but not all parts having a common divisor greater than 1.at n=38A303139
• Sum of largest emergent parts of the partitions of n.at n=34A330242