A364150 - cp's OEIS frontend

A364150 a(n) is the smallest positive integer which can be represented as the sum of distinct positive quarter-squares in exactly n ways, or -1 if no such integer exists.

n	a(n)
1	1
2	6
3	12
4	16
5	21
6	22
7	27
8	33
9	31
10	32
11	36
12	37
13	41
14	-1
15	42
16	43
17	47
18	-1
19	49
20	48
21	-1
22	54
23	52
24	-1
25	60
26	59
27	57
28	-1
29	58
30	61
31	62
32	63
33	65
34	64
35	-1
36	-1
37	69
38	67
39	70
40	-1
41	68
42	72
43	-1
44	75
45	-1
46	73
47	76
48	74
49	-1
50	-1
51	-1
52	77
53	80
54	78
55	79
56	81
57	-1
58	82
59	-1
60	-1

[1, 6, 12, 16, 21, 22, 27, 33, 31, 32, 36, 37, 41, -1, 42, 43, 47, -1, 49, 48, -1, 54, 52, -1, 60, 59, 57, -1, 58, 61, 62, 63, 65, 64, -1, -1, 69, 67, 70, -1, 68, 72, -1, 75, -1, 73, 76, 74, -1, -1, -1, 77, 80, 78, 79, 81, -1, 82, -1, -1]

cp's OEIS Frontend

A364150 a(n) is the smallest positive integer which can be represented as the sum of distinct positive quarter-squares in exactly n ways, or -1 if no such integer exists.

Table of values

List of values

n	a(n)
1	1
2	6
3	12
4	16
5	21
6	22
7	27
8	33
9	31
10	32
11	36
12	37
13	41
14	-1
15	42
16	43
17	47
18	-1
19	49
20	48
21	-1
22	54
23	52
24	-1
25	60
26	59
27	57
28	-1
29	58
30	61
31	62
32	63
33	65
34	64
35	-1
36	-1
37	69
38	67
39	70
40	-1
41	68
42	72
43	-1
44	75
45	-1
46	73
47	76
48	74
49	-1
50	-1
51	-1
52	77
53	80
54	78
55	79
56	81
57	-1
58	82
59	-1
60	-1

n	a(n)
1	1
2	6
3	12
4	16
5	21
6	22
7	27
8	33
9	31
10	32
11	36
12	37
13	41
14	-1
15	42
16	43
17	47
18	-1
19	49
20	48
21	-1
22	54
23	52
24	-1
25	60
26	59
27	57
28	-1
29	58
30	61
31	62
32	63
33	65
34	64
35	-1
36	-1
37	69
38	67
39	70
40	-1
41	68
42	72
43	-1
44	75
45	-1
46	73
47	76
48	74
49	-1
50	-1
51	-1
52	77
53	80
54	78
55	79
56	81
57	-1
58	82
59	-1
60	-1

n	a(n)
1	1
2	6
3	12
4	16
5	21
6	22
7	27
8	33
9	31
10	32
11	36
12	37
13	41
14	-1
15	42
16	43
17	47
18	-1
19	49
20	48
21	-1
22	54
23	52
24	-1
25	60
26	59
27	57
28	-1
29	58
30	61
31	62
32	63
33	65
34	64
35	-1
36	-1
37	69
38	67
39	70
40	-1
41	68
42	72
43	-1
44	75
45	-1
46	73
47	76
48	74
49	-1
50	-1
51	-1
52	77
53	80
54	78
55	79
56	81
57	-1
58	82
59	-1
60	-1