195353

Properties

Appears in sequences

• Half-quartan primes: primes of the form p = (x^4 + y^4)/2.at n=33A002646
• Table T(m,n) = (3^m + 5^n)/2, for m, n = 0, 2, 4, 6, ... read by antidiagonals downwards.at n=23A081458
• Number of free hexagonal polygons of symmetry class C_(3h) and area n.at n=29A121212
• Numerator of Sum_{k=1..n} (-1)^(k+1)/k^3.at n=4A136675
• Prime numbersat n=17606