A180242 - cp's OEIS frontend

A180242 Numbers whose square cannot be expressed as the sum of a positive square, a positive cube and a positive fourth power.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	10
7	11
8	13
9	14
10	15
11	16
12	20
13	26
14	27
15	29
16	30
17	34
18	36
19	40
20	43
21	48
22	49
23	50
24	56
25	58
26	62
27	64
28	76
29	86
30	92
31	94
32	102
33	104
34	106
35	122
36	126
37	130
38	146
39	148
40	176
41	178
42	202
43	211
44	218
45	227
46	232
47	238
48	246
49	248
50	262
51	272
52	281
53	286
54	310
55	311
56	326
57	335
58	344
59	346
60	349
61	370

[1, 2, 3, 4, 6, 10, 11, 13, 14, 15, 16, 20, 26, 27, 29, 30, 34, 36, 40, 43, 48, 49, 50, 56, 58, 62, 64, 76, 86, 92, 94, 102, 104, 106, 122, 126, 130, 146, 148, 176, 178, 202, 211, 218, 227, 232, 238, 246, 248, 262, 272, 281, 286, 310, 311, 326, 335, 344, 346, 349, 370]

cp's OEIS Frontend

A180242 Numbers whose square cannot be expressed as the sum of a positive square, a positive cube and a positive fourth power.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	10
7	11
8	13
9	14
10	15
11	16
12	20
13	26
14	27
15	29
16	30
17	34
18	36
19	40
20	43
21	48
22	49
23	50
24	56
25	58
26	62
27	64
28	76
29	86
30	92
31	94
32	102
33	104
34	106
35	122
36	126
37	130
38	146
39	148
40	176
41	178
42	202
43	211
44	218
45	227
46	232
47	238
48	246
49	248
50	262
51	272
52	281
53	286
54	310
55	311
56	326
57	335
58	344
59	346
60	349
61	370

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	10
7	11
8	13
9	14
10	15
11	16
12	20
13	26
14	27
15	29
16	30
17	34
18	36
19	40
20	43
21	48
22	49
23	50
24	56
25	58
26	62
27	64
28	76
29	86
30	92
31	94
32	102
33	104
34	106
35	122
36	126
37	130
38	146
39	148
40	176
41	178
42	202
43	211
44	218
45	227
46	232
47	238
48	246
49	248
50	262
51	272
52	281
53	286
54	310
55	311
56	326
57	335
58	344
59	346
60	349
61	370

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	10
7	11
8	13
9	14
10	15
11	16
12	20
13	26
14	27
15	29
16	30
17	34
18	36
19	40
20	43
21	48
22	49
23	50
24	56
25	58
26	62
27	64
28	76
29	86
30	92
31	94
32	102
33	104
34	106
35	122
36	126
37	130
38	146
39	148
40	176
41	178
42	202
43	211
44	218
45	227
46	232
47	238
48	246
49	248
50	262
51	272
52	281
53	286
54	310
55	311
56	326
57	335
58	344
59	346
60	349
61	370