A281965 - cp's OEIS frontend

A281965 Number of sets of exactly n positive integers <= n+2 having a square element sum.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	3
7	4
8	3
9	3
10	5
11	4
12	4
13	5
14	7
15	5
16	5
17	9
18	6
19	6
20	8
21	9
22	7
23	7
24	13
25	8
26	8
27	12
28	11
29	9
30	10
31	15
32	10
33	10
34	16
35	13
36	11
37	14
38	17
39	12
40	12
41	20
42	14
43	13
44	18
45	19
46	14
47	15
48	24
49	15
50	15
51	22
52	20
53	16
54	19
55	26
56	17
57	17
58	27
59	20
60	18
61	23
62	27
63	19
64	19
65	33
66	20
67	20
68	28
69	27
70	21
71	23

[1, 1, 1, 2, 2, 2, 3, 4, 3, 3, 5, 4, 4, 5, 7, 5, 5, 9, 6, 6, 8, 9, 7, 7, 13, 8, 8, 12, 11, 9, 10, 15, 10, 10, 16, 13, 11, 14, 17, 12, 12, 20, 14, 13, 18, 19, 14, 15, 24, 15, 15, 22, 20, 16, 19, 26, 17, 17, 27, 20, 18, 23, 27, 19, 19, 33, 20, 20, 28, 27, 21, 23]

cp's OEIS Frontend

A281965 Number of sets of exactly n positive integers <= n+2 having a square element sum.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	3
7	4
8	3
9	3
10	5
11	4
12	4
13	5
14	7
15	5
16	5
17	9
18	6
19	6
20	8
21	9
22	7
23	7
24	13
25	8
26	8
27	12
28	11
29	9
30	10
31	15
32	10
33	10
34	16
35	13
36	11
37	14
38	17
39	12
40	12
41	20
42	14
43	13
44	18
45	19
46	14
47	15
48	24
49	15
50	15
51	22
52	20
53	16
54	19
55	26
56	17
57	17
58	27
59	20
60	18
61	23
62	27
63	19
64	19
65	33
66	20
67	20
68	28
69	27
70	21
71	23

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	3
7	4
8	3
9	3
10	5
11	4
12	4
13	5
14	7
15	5
16	5
17	9
18	6
19	6
20	8
21	9
22	7
23	7
24	13
25	8
26	8
27	12
28	11
29	9
30	10
31	15
32	10
33	10
34	16
35	13
36	11
37	14
38	17
39	12
40	12
41	20
42	14
43	13
44	18
45	19
46	14
47	15
48	24
49	15
50	15
51	22
52	20
53	16
54	19
55	26
56	17
57	17
58	27
59	20
60	18
61	23
62	27
63	19
64	19
65	33
66	20
67	20
68	28
69	27
70	21
71	23

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	3
7	4
8	3
9	3
10	5
11	4
12	4
13	5
14	7
15	5
16	5
17	9
18	6
19	6
20	8
21	9
22	7
23	7
24	13
25	8
26	8
27	12
28	11
29	9
30	10
31	15
32	10
33	10
34	16
35	13
36	11
37	14
38	17
39	12
40	12
41	20
42	14
43	13
44	18
45	19
46	14
47	15
48	24
49	15
50	15
51	22
52	20
53	16
54	19
55	26
56	17
57	17
58	27
59	20
60	18
61	23
62	27
63	19
64	19
65	33
66	20
67	20
68	28
69	27
70	21
71	23