A383877 - cp's OEIS frontend

A383877 a(n) is the smallest integer k such that the Diophantine equation x^3 + y^3 + z^3 + w^3 = k^3, where 0 < x < y < z < w has exactly n integer solutions, or 0 if there is no such k.

n	a(n)
1	14
2	13
3	55
4	26
5	52
6	63
7	70
8	66
9	56
10	104
11	102
12	143
13	161
14	91
15	117
16	112
17	78
18	236
19	180
20	217
21	198
22	192
23	140
24	292
25	216
26	259
27	156
28	196
29	344
30	168
31	210
32	264
33	325
34	252
35	406
36	360
37	380
38	402
39	315
40	338
41	234
42	308
43	351
44	182
45	396
46	408
47	399
48	432
49	441
50	312
51	474
52	636
53	513
54	273
55	336
56	476
57	618
58	666

[14, 13, 55, 26, 52, 63, 70, 66, 56, 104, 102, 143, 161, 91, 117, 112, 78, 236, 180, 217, 198, 192, 140, 292, 216, 259, 156, 196, 344, 168, 210, 264, 325, 252, 406, 360, 380, 402, 315, 338, 234, 308, 351, 182, 396, 408, 399, 432, 441, 312, 474, 636, 513, 273, 336, 476, 618, 666]

cp's OEIS Frontend

A383877 a(n) is the smallest integer k such that the Diophantine equation x^3 + y^3 + z^3 + w^3 = k^3, where 0 < x < y < z < w has exactly n integer solutions, or 0 if there is no such k.

Table of values

List of values

n	a(n)
1	14
2	13
3	55
4	26
5	52
6	63
7	70
8	66
9	56
10	104
11	102
12	143
13	161
14	91
15	117
16	112
17	78
18	236
19	180
20	217
21	198
22	192
23	140
24	292
25	216
26	259
27	156
28	196
29	344
30	168
31	210
32	264
33	325
34	252
35	406
36	360
37	380
38	402
39	315
40	338
41	234
42	308
43	351
44	182
45	396
46	408
47	399
48	432
49	441
50	312
51	474
52	636
53	513
54	273
55	336
56	476
57	618
58	666

n	a(n)
1	14
2	13
3	55
4	26
5	52
6	63
7	70
8	66
9	56
10	104
11	102
12	143
13	161
14	91
15	117
16	112
17	78
18	236
19	180
20	217
21	198
22	192
23	140
24	292
25	216
26	259
27	156
28	196
29	344
30	168
31	210
32	264
33	325
34	252
35	406
36	360
37	380
38	402
39	315
40	338
41	234
42	308
43	351
44	182
45	396
46	408
47	399
48	432
49	441
50	312
51	474
52	636
53	513
54	273
55	336
56	476
57	618
58	666

n	a(n)
1	14
2	13
3	55
4	26
5	52
6	63
7	70
8	66
9	56
10	104
11	102
12	143
13	161
14	91
15	117
16	112
17	78
18	236
19	180
20	217
21	198
22	192
23	140
24	292
25	216
26	259
27	156
28	196
29	344
30	168
31	210
32	264
33	325
34	252
35	406
36	360
37	380
38	402
39	315
40	338
41	234
42	308
43	351
44	182
45	396
46	408
47	399
48	432
49	441
50	312
51	474
52	636
53	513
54	273
55	336
56	476
57	618
58	666