68098

Appears in sequences

• p(11p-7) where p is prime.at n=21A098998
• Triangle, read by rows, that transforms diagonals in the table of coefficients in the successive iterations of x+x^2 (cf. A122888).at n=28A135080
• Column 0 of triangle A135080.at n=7A135081
• Triangle, read by rows, where row n equals the coefficients of y^k in R_{n-1}(y+y^2) for k=1..n where R_n(y) is the n-th row polynomial in y for n>1 with R_1(y)=y.at n=35A187005
• Cyclops numbers with circular digits {0,6,8,9}.at n=26A274765
• Numbers k such that sopfr(k) = tau(k)^3.at n=19A305349
• Position of first 0 in the n-th differences of the noncomposite numbers (A008578), or 0 if it does not appear.at n=14A376855