|
| |
|
|
A152418
|
|
A sevens sequence: a(n)=(7^n - 1)/(2^(4 - 3*Mod[n, 2])).
|
|
0
| |
|
|
0, 3, 3, 171, 150, 8403, 7353, 411771, 360300, 20176803, 17654703, 988663371, 865080450, 48444505203, 42388942053, 2373780754971, 2077058160600, 116315256993603, 101775849869403, 5699447592686571, 4987016643600750
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
