72815

Appears in sequences

• a(n) = 5*2^n/9 + 1/4 + (-1)^n*(n/6 + 7/36).at n=17A172416
• a(n) = (-1 + 5*2^(2*n + 1) - 3*n)/9.at n=8A172447
• Euler transform of the swinging factorial A056040.at n=13A190905