A211520 - cp's OEIS frontend

A211520 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w + 4y = 2x.

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	3
6	5
7	7
8	10
9	12
10	16
11	19
12	24
13	27
14	33
15	37
16	44
17	48
18	56
19	61
20	70
21	75
22	85
23	91
24	102
25	108
26	120
27	127
28	140
29	147
30	161
31	169
32	184
33	192
34	208
35	217
36	234
37	243
38	261
39	271
40	290
41	300
42	320
43	331
44	352
45	363
46	385
47	397
48	420
49	432
50	456
51	469
52	494
53	507
54	533
55	547
56	574

[0, 0, 0, 1, 2, 3, 5, 7, 10, 12, 16, 19, 24, 27, 33, 37, 44, 48, 56, 61, 70, 75, 85, 91, 102, 108, 120, 127, 140, 147, 161, 169, 184, 192, 208, 217, 234, 243, 261, 271, 290, 300, 320, 331, 352, 363, 385, 397, 420, 432, 456, 469, 494, 507, 533, 547, 574]

cp's OEIS Frontend

A211520 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w + 4y = 2x.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	3
6	5
7	7
8	10
9	12
10	16
11	19
12	24
13	27
14	33
15	37
16	44
17	48
18	56
19	61
20	70
21	75
22	85
23	91
24	102
25	108
26	120
27	127
28	140
29	147
30	161
31	169
32	184
33	192
34	208
35	217
36	234
37	243
38	261
39	271
40	290
41	300
42	320
43	331
44	352
45	363
46	385
47	397
48	420
49	432
50	456
51	469
52	494
53	507
54	533
55	547
56	574

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	3
6	5
7	7
8	10
9	12
10	16
11	19
12	24
13	27
14	33
15	37
16	44
17	48
18	56
19	61
20	70
21	75
22	85
23	91
24	102
25	108
26	120
27	127
28	140
29	147
30	161
31	169
32	184
33	192
34	208
35	217
36	234
37	243
38	261
39	271
40	290
41	300
42	320
43	331
44	352
45	363
46	385
47	397
48	420
49	432
50	456
51	469
52	494
53	507
54	533
55	547
56	574

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	3
6	5
7	7
8	10
9	12
10	16
11	19
12	24
13	27
14	33
15	37
16	44
17	48
18	56
19	61
20	70
21	75
22	85
23	91
24	102
25	108
26	120
27	127
28	140
29	147
30	161
31	169
32	184
33	192
34	208
35	217
36	234
37	243
38	261
39	271
40	290
41	300
42	320
43	331
44	352
45	363
46	385
47	397
48	420
49	432
50	456
51	469
52	494
53	507
54	533
55	547
56	574