A274050 - cp's OEIS frontend

A274050 Numbers that cannot be expressed as the sum of two nonzero squares and at most one power of two.

n	a(n)
1	1
2	23
3	71
4	79
5	95
6	135
7	142
8	143
9	167
10	190
11	191
12	211
13	215
14	239
15	255
16	284
17	286
18	287
19	303
20	311
21	323
22	331
23	343
24	359
25	380
26	382
27	383
28	415
29	419
30	430
31	431
32	439
33	455
34	471
35	475
36	499
37	503
38	519
39	527
40	568
41	572
42	574
43	575
44	583
45	591
46	599
47	622
48	623
49	646
50	647
51	671
52	683
53	695

[1, 23, 71, 79, 95, 135, 142, 143, 167, 190, 191, 211, 215, 239, 255, 284, 286, 287, 303, 311, 323, 331, 343, 359, 380, 382, 383, 415, 419, 430, 431, 439, 455, 471, 475, 499, 503, 519, 527, 568, 572, 574, 575, 583, 591, 599, 622, 623, 646, 647, 671, 683, 695]

cp's OEIS Frontend

A274050 Numbers that cannot be expressed as the sum of two nonzero squares and at most one power of two.

Table of values

List of values

n	a(n)
1	1
2	23
3	71
4	79
5	95
6	135
7	142
8	143
9	167
10	190
11	191
12	211
13	215
14	239
15	255
16	284
17	286
18	287
19	303
20	311
21	323
22	331
23	343
24	359
25	380
26	382
27	383
28	415
29	419
30	430
31	431
32	439
33	455
34	471
35	475
36	499
37	503
38	519
39	527
40	568
41	572
42	574
43	575
44	583
45	591
46	599
47	622
48	623
49	646
50	647
51	671
52	683
53	695

n	a(n)
1	1
2	23
3	71
4	79
5	95
6	135
7	142
8	143
9	167
10	190
11	191
12	211
13	215
14	239
15	255
16	284
17	286
18	287
19	303
20	311
21	323
22	331
23	343
24	359
25	380
26	382
27	383
28	415
29	419
30	430
31	431
32	439
33	455
34	471
35	475
36	499
37	503
38	519
39	527
40	568
41	572
42	574
43	575
44	583
45	591
46	599
47	622
48	623
49	646
50	647
51	671
52	683
53	695

n	a(n)
1	1
2	23
3	71
4	79
5	95
6	135
7	142
8	143
9	167
10	190
11	191
12	211
13	215
14	239
15	255
16	284
17	286
18	287
19	303
20	311
21	323
22	331
23	343
24	359
25	380
26	382
27	383
28	415
29	419
30	430
31	431
32	439
33	455
34	471
35	475
36	499
37	503
38	519
39	527
40	568
41	572
42	574
43	575
44	583
45	591
46	599
47	622
48	623
49	646
50	647
51	671
52	683
53	695