25378

Appears in sequences

• a(n) = position of 3*n^3 in A003072.at n=42A024970
• Numbers whose base-5 representation contains exactly three 0's and three 3's.at n=23A045202
• Each c(i) is "multiply" (*) or "divide" (/). a(n) is number of choices for c(1), ..., c(n-1) so that 1 c(1) 2 c(2) 3,.., c(n-1) n is an integer.at n=21A058524
• Each c(i) is "multiply" (*) or "divide" (/). a(n) is number of choices for c(1), ..., c(n-1) so that 1 c(1) 2 c(2) 3,.., c(n-1) n is an integer.at n=22A058524
• Number of permutations of 2..n+1 with no element greater than or equal to the sum of its neighbors.at n=8A180890
• Number of distinct board states reachable in n jumps in European Peg Solitaire.at n=31A355295