122070313

Appears in sequences

• a(n) = (5^n + 1)/2.at n=12A034478
• (5^n+(-1)^n)/2.at n=12A081340
• Table T(m,n) = (3^m + 5^n)/2, for m, n = 0, 2, 4, 6, ... read by antidiagonals downwards.at n=21A081458
• a(n) = ((2*n + 1)^6 + 1)/2.at n=12A175113
• Number of compositions of even natural numbers into 6 parts <= n.at n=24A191489
• a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 5.at n=24A294566