322850408

Appears in sequences

• a(n) = (5*3^(n-1)+1)/2.at n=17A057198
• a(1) = 1, then A007051 ((3^n)+1)/2 interleaved with A057198 (5*3^(n-1)+1)/2.at n=36A246360
• Row sums of A321624.at n=18A321573