A290992 - cp's OEIS frontend

A290992 p-INVERT of (0,0,0,1,2,3,4,5,...), the nonnegative integers A000027 preceded by two zeros, where p(S) = 1 - S - S^2.

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	3
6	4
7	7
8	14
9	27
10	48
11	82
12	140
13	242
14	420
15	726
16	1250
17	2153
18	3720
19	6446
20	11184
21	19408
22	33676
23	58431
24	101378
25	175861
26	304988
27	528800
28	916714
29	1589091
30	2754612
31	4775074
32	8277754
33	14350253
34	24878304
35	43131381
36	74777890
37	129645147
38	224770632

[0, 0, 0, 1, 2, 3, 4, 7, 14, 27, 48, 82, 140, 242, 420, 726, 1250, 2153, 3720, 6446, 11184, 19408, 33676, 58431, 101378, 175861, 304988, 528800, 916714, 1589091, 2754612, 4775074, 8277754, 14350253, 24878304, 43131381, 74777890, 129645147, 224770632]

cp's OEIS Frontend

A290992 p-INVERT of (0,0,0,1,2,3,4,5,...), the nonnegative integers A000027 preceded by two zeros, where p(S) = 1 - S - S^2.

Table of values

List of values