1065220
domain: N
Appears in sequences
- Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=10A033140
- Number of right triangles whose vertices are lattice points in {1,2,...,n} X {1,2,...,n}.at n=25A077435
- Base-2 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0,0,0,0.at n=20A195904
- Larger of amicable numbers pair m < n such that A307037(m) = n and A307037(n) = m.at n=9A307052