A291031 - cp's OEIS frontend

A291031 p-INVERT of the positive integers, where p(S) = 1 - 3S + 2S^3.

n	a(n)
0	3
1	15
2	70
3	321
4	1461
5	6624
6	29967
7	135399
8	611318
9	2758881
10	12447753
11	56154744
12	253306119
13	1142572767
14	5153589754
15	23244956169
16	104843981505
17	472885383744
18	2132882300571
19	9620044596687
20	43389716584682
21	195702453488433
22	882684641446989
23	3981207177094608

[3, 15, 70, 321, 1461, 6624, 29967, 135399, 611318, 2758881, 12447753, 56154744, 253306119, 1142572767, 5153589754, 23244956169, 104843981505, 472885383744, 2132882300571, 9620044596687, 43389716584682, 195702453488433, 882684641446989, 3981207177094608]

cp's OEIS Frontend

A291031 p-INVERT of the positive integers, where p(S) = 1 - 3S + 2S^3.

Table of values

List of values

cp's OEIS Frontend

A291031 p-INVERT of the positive integers, where p(S) = 1 - 3*S + 2*S^3.

Table of values

List of values

A291031 p-INVERT of the positive integers, where p(S) = 1 - 3S + 2S^3.