A221533 - cp's OEIS frontend

A221533 a(n) is the number of integers of the form binomial(4n^2 - k - 2, k - 1) / k, k=3, 4, ... , 2n^2 - 2, n >= 2.

n	a(n)
2	1
3	9
4	18
5	33
6	57
7	60
8	84
9	141
10	147
11	187
12	245
13	265
14	330
15	417
16	421
17	430
18	551
19	620
20	683
21	837
22	791
23	865
24	1056
25	1044
26	1182
27	1288
28	1278
29	1506
30	1737
31	1677
32	1685
33	1983
34	2097
35	2228
36	2517
37	2433
38	2423
39	2780
40	2926
41	3079
42	3253
43	3216
44	3563
45	3733
46	3713
47	3872
48	4249
49	4318

[1, 9, 18, 33, 57, 60, 84, 141, 147, 187, 245, 265, 330, 417, 421, 430, 551, 620, 683, 837, 791, 865, 1056, 1044, 1182, 1288, 1278, 1506, 1737, 1677, 1685, 1983, 2097, 2228, 2517, 2433, 2423, 2780, 2926, 3079, 3253, 3216, 3563, 3733, 3713, 3872, 4249, 4318]

cp's OEIS Frontend

A221533 a(n) is the number of integers of the form binomial(4n^2 - k - 2, k - 1) / k, k=3, 4, ... , 2n^2 - 2, n >= 2.

Table of values

List of values

cp's OEIS Frontend

A221533 a(n) is the number of integers of the form binomial(4*n^2 - k - 2, k - 1) / k, k=3, 4, ... , 2*n^2 - 2, n >= 2.

Table of values

List of values

A221533 a(n) is the number of integers of the form binomial(4n^2 - k - 2, k - 1) / k, k=3, 4, ... , 2n^2 - 2, n >= 2.