49266
domain: N
Appears in sequences
- Number of ordered 5-tuples of integers from [ 2,n ] with no common factors among triples.at n=26A015657
- Enneagonal numbers divisible by 9.at n=27A117796
- Number of (w,x,y) with all terms in {0,...,n} and x != min(|w-x|, |x-y|).at n=36A213502
- Let x(1)x(2)...x(q) the decimal expansion of the numbers k having exactly q distinct prime divisors p(1) < p(2) < ... < p(q). Sequence lists the numbers k such that p(1)/x(1) + p(2)/x(2) + ... + p(q)/x(q) is an integer.at n=18A235152
- Numbers M(n) which are the number of terms in the sums of consecutive cubed integers equaling a squared integer, b^3 + (b+1)^3 + ... + (b+M-1)^3 = c^2, for a first term b(n) being an odd squared integer (A016754).at n=17A253707