63551
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(114).at n=9A041207
- Positions of check bits in code in A075952.at n=1A075954
- Pentagonal numbers (A000326) that are also brilliant numbers (A078972).at n=9A113941
- Numbers k such that sigma(k)*phi(k) is a palindrome.at n=12A115892
- Smallest number m such that prime(n) is a factor of both m and sigma(m).at n=26A156099
- Number of n X 1 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order.at n=9A222919
- Semiprimes of the form n*(3*n-1)/2.at n=23A245365
- Semiprimes of the form p(6p - 1).at n=13A330409
- G.f. A(x) satisfies: 1 - x = Sum_{n>=0} (x^(4*n) + (-1)^n*A(x))^n.at n=25A352820