A173384 - cp's OEIS frontend

A173384 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x-1)^(-1) + (1-x)^(-3/2)).

n	a(n)
0	0
1	1
2	7
3	19
4	187
5	437
6	1979
7	4387
8	76627
9	165409
10	707825
11	1503829
12	12706671
13	26713417
14	111868243
15	233431331
16	7770342787
17	16124087129
18	66765132341
19	137948422657
20	1138049013461
21	2343380261227
22	9636533415373
23	19787656251221

[0, 1, 7, 19, 187, 437, 1979, 4387, 76627, 165409, 707825, 1503829, 12706671, 26713417, 111868243, 233431331, 7770342787, 16124087129, 66765132341, 137948422657, 1138049013461, 2343380261227, 9636533415373, 19787656251221]

cp's OEIS Frontend

A173384 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x-1)^(-1) + (1-x)^(-3/2)).

Table of values

List of values

cp's OEIS Frontend

A173384 a(n) = 2^(2*n - HammingWeight(n)) * [x^n] ((x-1)^(-1) + (1-x)^(-3/2)).

Table of values

List of values

A173384 a(n) = 2^(2n - HammingWeight(n)) [x^n] ((x-1)^(-1) + (1-x)^(-3/2)).