224036

Appears in sequences

• Numbers n such that 215*2^n-1 is prime.at n=37A050859
• Number of 6-line partitions of n (i.e., planar partitions of n with at most 6 lines).at n=23A225196
• Draw a regular n-gon and the enclosing circle, then for each pair of vertices X, Y, draw a circle with diameter XY; the union of these figures is the graph H_n; sequence gives number of regions in H_n.at n=34A370978