A380952 - cp's OEIS frontend

A380952 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x - 1)^(-2) - (1 - x)^(-3/2)).

n	a(n)
0	0
1	1
2	9
3	29
4	325
5	843
6	4165
7	9949
8	185517
9	424415
10	1913615
11	4263339
12	37624977
13	82338487
14	357893805
15	773201629
16	26589395581
17	56890356903
18	242472512971
19	514886606335
20	4359509125419
21	9201491830421
22	38741978206771
23	81367413504171
24	1364185459323625
25	2853307081197859

[0, 1, 9, 29, 325, 843, 4165, 9949, 185517, 424415, 1913615, 4263339, 37624977, 82338487, 357893805, 773201629, 26589395581, 56890356903, 242472512971, 514886606335, 4359509125419, 9201491830421, 38741978206771, 81367413504171, 1364185459323625, 2853307081197859]

cp's OEIS Frontend

A380952 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x - 1)^(-2) - (1 - x)^(-3/2)).

Table of values

List of values

cp's OEIS Frontend

A380952 a(n) = 2^(2*n - HammingWeight(n)) * [x^n] ((x - 1)^(-2) - (1 - x)^(-3/2)).

Table of values

List of values

A380952 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x - 1)^(-2) - (1 - x)^(-3/2)).