39172
domain: N
Appears in sequences
- a(n) is least k such that k and 10k are anagrams in base n (written in base 10).at n=18A023102
- Number of nX4 0..1 arrays with every element unequal to 0, 1, 5 or 8 king-move adjacent elements, with upper left element zero.at n=12A304266
- Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.at n=27A359971