25918
domain: N
Appears in sequences
- Least inverse of A056796.at n=22A056817
- Numbers k such that the decimal digits of phi(k) are a permutation of those of k.at n=31A115921
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, 1, -1), (1, 0, 1)}.at n=10A148769
- Composite numbers whose concatenation of their aliquot parts, in descending order, is a palindrome.at n=37A249301
- Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly two lines cross.at n=21A334701
- Rounded value of 1/(x[n] + n), where x[n] is the n-th negative solution to Gamma(x) = x^2.at n=5A339167