A048492 - cp's OEIS frontend

A048492 a(n) = ( 8(2^n) - n^2 - 3n - 6 )/2.

n	a(n)
0	1
1	3
2	8
3	20
4	47
5	105
6	226
7	474
8	977
9	1991
10	4028
11	8112
12	16291
13	32661
14	65414
15	130934
16	261989
17	524115
18	1048384
19	2096940
20	4194071
21	8388353
22	16776938
23	33554130
24	67108537
25	134217375
26	268435076
27	536870504
28	1073741387
29	2147483181

[1, 3, 8, 20, 47, 105, 226, 474, 977, 1991, 4028, 8112, 16291, 32661, 65414, 130934, 261989, 524115, 1048384, 2096940, 4194071, 8388353, 16776938, 33554130, 67108537, 134217375, 268435076, 536870504, 1073741387, 2147483181]

cp's OEIS Frontend

A048492 a(n) = ( 8(2^n) - n^2 - 3n - 6 )/2.

Table of values

List of values

cp's OEIS Frontend

A048492 a(n) = ( 8*(2^n) - n^2 - 3*n - 6 )/2.

Table of values

List of values

A048492 a(n) = ( 8(2^n) - n^2 - 3n - 6 )/2.