A115523 - cp's OEIS frontend

A115523 Number of ordered quadruples (i,j,k,l) in range [0..n] satisfying i == j (mod 2), j == k (mod 3) and k == l (mod 4).

n	a(n)
0	1
1	2
2	5
3	12
4	33
5	60
6	111
7	176
8	287
9	440
10	637
11	864
12	1237
13	1652
14	2147
15	2752
16	3555
17	4428
18	5517
19	6700
20	8177
21	9878
22	11785
23	13824
24	16441
25	19214
26	22265
27	25676
28	29685
29	33900
30	38715
31	43776
32	49595
33	55964
34	62821
35	69984
36	78445
37	87248
38	96647
39	106800
40	118167
41	129948
42	142905
43	156332

[1, 2, 5, 12, 33, 60, 111, 176, 287, 440, 637, 864, 1237, 1652, 2147, 2752, 3555, 4428, 5517, 6700, 8177, 9878, 11785, 13824, 16441, 19214, 22265, 25676, 29685, 33900, 38715, 43776, 49595, 55964, 62821, 69984, 78445, 87248, 96647, 106800, 118167, 129948, 142905, 156332]

cp's OEIS Frontend

A115523 Number of ordered quadruples (i,j,k,l) in range [0..n] satisfying i == j (mod 2), j == k (mod 3) and k == l (mod 4).

Table of values

List of values