135088

Appears in sequences

• a(n) = 3*a(n-1) + 7*a(n-2), with a(0) = 0, a(1) = 1.at n=9A015524
• Main diagonal of array A083857.at n=9A083862
• a(n) = n*a(n-1) + n^(1+n mod 2), a(0) = 1.at n=8A344317