A339272 - cp's OEIS frontend

A339272 a(n) is the smallest number k that can be partitioned into a set of n positive integers {e(1), e(2), ..., e(n)} where Sum_{i=1..n} e(i)(e(i)-1) = k(k-1)/2.

n	a(n)
2	4
3	13
4	17
5	40
6	24
7	21
8	44
9	41
10	41
11	57
12	48
13	48
14	68
15	65
16	65
17	81
18	85
19	72
20	72
21	85
22	89
23	89
24	105
25	109
26	109
27	96
28	116
29	133
30	113
31	113
32	133
33	133
34	140
35	140
36	120
37	157
38	153
39	137
40	157
41	164
42	164
43	164
44	181
45	181
46	181
47	181
48	188
49	188
50	201
51	188
52	205
53	205
54	225
55	212
56	205
57	212
58	212
59	229
60	229
61	229
62	229
63	249
64	249
65	256
66	236
67	236
68	253
69	253
70	253

[4, 13, 17, 40, 24, 21, 44, 41, 41, 57, 48, 48, 68, 65, 65, 81, 85, 72, 72, 85, 89, 89, 105, 109, 109, 96, 116, 133, 113, 113, 133, 133, 140, 140, 120, 157, 153, 137, 157, 164, 164, 164, 181, 181, 181, 181, 188, 188, 201, 188, 205, 205, 225, 212, 205, 212, 212, 229, 229, 229, 229, 249, 249, 256, 236, 236, 253, 253, 253]

cp's OEIS Frontend

A339272 a(n) is the smallest number k that can be partitioned into a set of n positive integers {e(1), e(2), ..., e(n)} where Sum_{i=1..n} e(i)(e(i)-1) = k(k-1)/2.

Table of values

List of values

n	a(n)
2	4
3	13
4	17
5	40
6	24
7	21
8	44
9	41
10	41
11	57
12	48
13	48
14	68
15	65
16	65
17	81
18	85
19	72
20	72
21	85
22	89
23	89
24	105
25	109
26	109
27	96
28	116
29	133
30	113
31	113
32	133
33	133
34	140
35	140
36	120
37	157
38	153
39	137
40	157
41	164
42	164
43	164
44	181
45	181
46	181
47	181
48	188
49	188
50	201
51	188
52	205
53	205
54	225
55	212
56	205
57	212
58	212
59	229
60	229
61	229
62	229
63	249
64	249
65	256
66	236
67	236
68	253
69	253
70	253

n	a(n)
2	4
3	13
4	17
5	40
6	24
7	21
8	44
9	41
10	41
11	57
12	48
13	48
14	68
15	65
16	65
17	81
18	85
19	72
20	72
21	85
22	89
23	89
24	105
25	109
26	109
27	96
28	116
29	133
30	113
31	113
32	133
33	133
34	140
35	140
36	120
37	157
38	153
39	137
40	157
41	164
42	164
43	164
44	181
45	181
46	181
47	181
48	188
49	188
50	201
51	188
52	205
53	205
54	225
55	212
56	205
57	212
58	212
59	229
60	229
61	229
62	229
63	249
64	249
65	256
66	236
67	236
68	253
69	253
70	253

cp's OEIS Frontend

A339272 a(n) is the smallest number k that can be partitioned into a set of n positive integers {e(1), e(2), ..., e(n)} where Sum_{i=1..n} e(i)*(e(i)-1) = k*(k-1)/2.

Table of values

List of values

A339272 a(n) is the smallest number k that can be partitioned into a set of n positive integers {e(1), e(2), ..., e(n)} where Sum_{i=1..n} e(i)(e(i)-1) = k(k-1)/2.

n	a(n)
2	4
3	13
4	17
5	40
6	24
7	21
8	44
9	41
10	41
11	57
12	48
13	48
14	68
15	65
16	65
17	81
18	85
19	72
20	72
21	85
22	89
23	89
24	105
25	109
26	109
27	96
28	116
29	133
30	113
31	113
32	133
33	133
34	140
35	140
36	120
37	157
38	153
39	137
40	157
41	164
42	164
43	164
44	181
45	181
46	181
47	181
48	188
49	188
50	201
51	188
52	205
53	205
54	225
55	212
56	205
57	212
58	212
59	229
60	229
61	229
62	229
63	249
64	249
65	256
66	236
67	236
68	253
69	253
70	253