265733

Appears in sequences

• Table T(m,n) = (3^m + 5^n)/2, for m, n = 0, 2, 4, 6, ... read by antidiagonals downwards.at n=34A081458
• a(n) = 3*a(n-1) - 2*(n-1), with a(0) = 1.at n=12A233656