104459

Properties

Appears in sequences

• Least j > 1 such that j^2 = (4*n^2 + 2)*(k^2) + (4*n^2 + 2)*k + 1.at n=29A106231
• Primes of the form Sum_{k=1..m} (m^k mod (m+k)).at n=39A156557
• Denominators of lower primes-only best approximates (POBAs) to e; see Comments.at n=19A265815
• a(n) is the number of distinct resistances that can be produced from a planar circuit with exactly n unit resistors.at n=13A340920
• Prime numbersat n=9972