A112421 - cp's OEIS frontend

A112421 Number of 6 element subsets of {1,2,3,...,n} for which the sum-set has 12 elements.

n	a(n)
7	2
8	4
9	6
10	8
11	10
12	12
13	16
14	20
15	24
16	28
17	32
18	36
19	42
20	48
21	54
22	60
23	66
24	72
25	80
26	88
27	96
28	104
29	112
30	120
31	130
32	140
33	150
34	160
35	170
36	180
37	192
38	204
39	216
40	228
41	240
42	252
43	266
44	280
45	294
46	308
47	322
48	336
49	352
50	368
51	384
52	400
53	416
54	432
55	450
56	468
57	486
58	504
59	522
60	540
61	560
62	580
63	600

[2, 4, 6, 8, 10, 12, 16, 20, 24, 28, 32, 36, 42, 48, 54, 60, 66, 72, 80, 88, 96, 104, 112, 120, 130, 140, 150, 160, 170, 180, 192, 204, 216, 228, 240, 252, 266, 280, 294, 308, 322, 336, 352, 368, 384, 400, 416, 432, 450, 468, 486, 504, 522, 540, 560, 580, 600]

cp's OEIS Frontend

A112421 Number of 6 element subsets of {1,2,3,...,n} for which the sum-set has 12 elements.

Table of values

List of values

n	a(n)
7	2
8	4
9	6
10	8
11	10
12	12
13	16
14	20
15	24
16	28
17	32
18	36
19	42
20	48
21	54
22	60
23	66
24	72
25	80
26	88
27	96
28	104
29	112
30	120
31	130
32	140
33	150
34	160
35	170
36	180
37	192
38	204
39	216
40	228
41	240
42	252
43	266
44	280
45	294
46	308
47	322
48	336
49	352
50	368
51	384
52	400
53	416
54	432
55	450
56	468
57	486
58	504
59	522
60	540
61	560
62	580
63	600

n	a(n)
7	2
8	4
9	6
10	8
11	10
12	12
13	16
14	20
15	24
16	28
17	32
18	36
19	42
20	48
21	54
22	60
23	66
24	72
25	80
26	88
27	96
28	104
29	112
30	120
31	130
32	140
33	150
34	160
35	170
36	180
37	192
38	204
39	216
40	228
41	240
42	252
43	266
44	280
45	294
46	308
47	322
48	336
49	352
50	368
51	384
52	400
53	416
54	432
55	450
56	468
57	486
58	504
59	522
60	540
61	560
62	580
63	600

n	a(n)
7	2
8	4
9	6
10	8
11	10
12	12
13	16
14	20
15	24
16	28
17	32
18	36
19	42
20	48
21	54
22	60
23	66
24	72
25	80
26	88
27	96
28	104
29	112
30	120
31	130
32	140
33	150
34	160
35	170
36	180
37	192
38	204
39	216
40	228
41	240
42	252
43	266
44	280
45	294
46	308
47	322
48	336
49	352
50	368
51	384
52	400
53	416
54	432
55	450
56	468
57	486
58	504
59	522
60	540
61	560
62	580
63	600