A267431 - cp's OEIS frontend

A267431 Indices of Catalan numbers that are not of the form x^2 + y^2 + z^2 where x, y and z are integers.

n	a(n)
1	10
2	24
3	37
4	43
5	46
6	48
7	49
8	51
9	69
10	87
11	96
12	97
13	102
14	103
15	109
16	114
17	117
18	120
19	133
20	157
21	170
22	175
23	187
24	190
25	192
26	193
27	198
28	207
29	226
30	240
31	241
32	243
33	261
34	285
35	300
36	308
37	332
38	344
39	351
40	356
41	360
42	375
43	384
44	385
45	390
46	404
47	411
48	414
49	415
50	420
51	424
52	445
53	450
54	459
55	462
56	477
57	480
58	481

[10, 24, 37, 43, 46, 48, 49, 51, 69, 87, 96, 97, 102, 103, 109, 114, 117, 120, 133, 157, 170, 175, 187, 190, 192, 193, 198, 207, 226, 240, 241, 243, 261, 285, 300, 308, 332, 344, 351, 356, 360, 375, 384, 385, 390, 404, 411, 414, 415, 420, 424, 445, 450, 459, 462, 477, 480, 481]

cp's OEIS Frontend

A267431 Indices of Catalan numbers that are not of the form x^2 + y^2 + z^2 where x, y and z are integers.

Table of values

List of values

n	a(n)
1	10
2	24
3	37
4	43
5	46
6	48
7	49
8	51
9	69
10	87
11	96
12	97
13	102
14	103
15	109
16	114
17	117
18	120
19	133
20	157
21	170
22	175
23	187
24	190
25	192
26	193
27	198
28	207
29	226
30	240
31	241
32	243
33	261
34	285
35	300
36	308
37	332
38	344
39	351
40	356
41	360
42	375
43	384
44	385
45	390
46	404
47	411
48	414
49	415
50	420
51	424
52	445
53	450
54	459
55	462
56	477
57	480
58	481

n	a(n)
1	10
2	24
3	37
4	43
5	46
6	48
7	49
8	51
9	69
10	87
11	96
12	97
13	102
14	103
15	109
16	114
17	117
18	120
19	133
20	157
21	170
22	175
23	187
24	190
25	192
26	193
27	198
28	207
29	226
30	240
31	241
32	243
33	261
34	285
35	300
36	308
37	332
38	344
39	351
40	356
41	360
42	375
43	384
44	385
45	390
46	404
47	411
48	414
49	415
50	420
51	424
52	445
53	450
54	459
55	462
56	477
57	480
58	481

n	a(n)
1	10
2	24
3	37
4	43
5	46
6	48
7	49
8	51
9	69
10	87
11	96
12	97
13	102
14	103
15	109
16	114
17	117
18	120
19	133
20	157
21	170
22	175
23	187
24	190
25	192
26	193
27	198
28	207
29	226
30	240
31	241
32	243
33	261
34	285
35	300
36	308
37	332
38	344
39	351
40	356
41	360
42	375
43	384
44	385
45	390
46	404
47	411
48	414
49	415
50	420
51	424
52	445
53	450
54	459
55	462
56	477
57	480
58	481