A169727 - cp's OEIS frontend

A169727 a(n) = 3(2^(n+1)-2)(2^(n+1)-1) + 1.

n	a(n)
0	1
1	19
2	127
3	631
4	2791
5	11719
6	48007
7	194311
8	781831
9	3136519
10	12564487
11	50294791
12	201252871
13	805158919
14	3220930567
15	12884312071
16	51538427911
17	206156070919
18	824629002247
19	3298525446151
20	13194120658951
21	52776520384519
22	211106157035527
23	844424779137031

[1, 19, 127, 631, 2791, 11719, 48007, 194311, 781831, 3136519, 12564487, 50294791, 201252871, 805158919, 3220930567, 12884312071, 51538427911, 206156070919, 824629002247, 3298525446151, 13194120658951, 52776520384519, 211106157035527, 844424779137031]

cp's OEIS Frontend

A169727 a(n) = 3(2^(n+1)-2)(2^(n+1)-1) + 1.

Table of values

List of values

cp's OEIS Frontend

A169727 a(n) = 3*(2^(n+1)-2)*(2^(n+1)-1) + 1.

Table of values

List of values

A169727 a(n) = 3(2^(n+1)-2)(2^(n+1)-1) + 1.