68696

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones.at n=28A031799
• Gaps of 9 in sequence A038593 (lower terms).at n=33A038657
• a(n) = A045820(n)/2.at n=25A045822
• a(n) = n*(n+1)*(n^2 + 21*n + 50)/24.at n=30A101854
• Triangle read by rows: T(n,k) = number of graphs on n node with edge chromatic number k (n >= 1, k >= 1).at n=44A123962
• Number of graphs on n nodes with edge chromatic number 5.at n=8A126731
• a(n) = 256n^2 - 828n + 656 (n>=1).at n=17A304379