A290991 - cp's OEIS frontend

A290991 p-INVERT of (0,0,1,2,3,4,5,...), the nonnegative integers A000027 preceded by one zero, where p(S) = 1 - S - S^2.

n	a(n)
0	0
1	0
2	1
3	2
4	3
5	6
6	13
7	26
8	50
9	96
10	184
11	351
12	669
13	1278
14	2447
15	4692
16	9004
17	17285
18	33182
19	63687
20	122208
21	234461
22	449774
23	862776
24	1655010
25	3174766
26	6090231
27	11683285
28	22413104
29	42997349
30	82486280
31	158241688
32	303570021
33	582365698
34	1117202719
35	2143225358

[0, 0, 1, 2, 3, 6, 13, 26, 50, 96, 184, 351, 669, 1278, 2447, 4692, 9004, 17285, 33182, 63687, 122208, 234461, 449774, 862776, 1655010, 3174766, 6090231, 11683285, 22413104, 42997349, 82486280, 158241688, 303570021, 582365698, 1117202719, 2143225358]

cp's OEIS Frontend

A290991 p-INVERT of (0,0,1,2,3,4,5,...), the nonnegative integers A000027 preceded by one zero, where p(S) = 1 - S - S^2.

Table of values

List of values