A293462 - cp's OEIS frontend

A293462 Let A_n be a square n X n matrix with entries A_n(i,j)=1 if i+j is a perfect power, and A_n(i,j)=0 otherwise. Then a(n) counts the 1's in A_n.

n	a(n)
1	0
2	1
3	3
4	4
5	8
6	12
7	16
8	19
9	21
10	23
11	25
12	27
13	31
14	37
15	43
16	48
17	54
18	61
19	69
20	77
21	85
22	93
23	101
24	109
25	117
26	125
27	131
28	137
29	143
30	149
31	155
32	160
33	166
34	172
35	178
36	182
37	186
38	190
39	194
40	198
41	204
42	210
43	216
44	222
45	228
46	234
47	240
48	246
49	250
50	255
51	261
52	267
53	273
54	279
55	285
56	291
57	297
58	303
59	309
60	315
61	323
62	331
63	341
64	350
65	360

[0, 1, 3, 4, 8, 12, 16, 19, 21, 23, 25, 27, 31, 37, 43, 48, 54, 61, 69, 77, 85, 93, 101, 109, 117, 125, 131, 137, 143, 149, 155, 160, 166, 172, 178, 182, 186, 190, 194, 198, 204, 210, 216, 222, 228, 234, 240, 246, 250, 255, 261, 267, 273, 279, 285, 291, 297, 303, 309, 315, 323, 331, 341, 350, 360]

cp's OEIS Frontend

A293462 Let A_n be a square n X n matrix with entries A_n(i,j)=1 if i+j is a perfect power, and A_n(i,j)=0 otherwise. Then a(n) counts the 1's in A_n.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	8
6	12
7	16
8	19
9	21
10	23
11	25
12	27
13	31
14	37
15	43
16	48
17	54
18	61
19	69
20	77
21	85
22	93
23	101
24	109
25	117
26	125
27	131
28	137
29	143
30	149
31	155
32	160
33	166
34	172
35	178
36	182
37	186
38	190
39	194
40	198
41	204
42	210
43	216
44	222
45	228
46	234
47	240
48	246
49	250
50	255
51	261
52	267
53	273
54	279
55	285
56	291
57	297
58	303
59	309
60	315
61	323
62	331
63	341
64	350
65	360

n	a(n)
1	0
2	1
3	3
4	4
5	8
6	12
7	16
8	19
9	21
10	23
11	25
12	27
13	31
14	37
15	43
16	48
17	54
18	61
19	69
20	77
21	85
22	93
23	101
24	109
25	117
26	125
27	131
28	137
29	143
30	149
31	155
32	160
33	166
34	172
35	178
36	182
37	186
38	190
39	194
40	198
41	204
42	210
43	216
44	222
45	228
46	234
47	240
48	246
49	250
50	255
51	261
52	267
53	273
54	279
55	285
56	291
57	297
58	303
59	309
60	315
61	323
62	331
63	341
64	350
65	360

n	a(n)
1	0
2	1
3	3
4	4
5	8
6	12
7	16
8	19
9	21
10	23
11	25
12	27
13	31
14	37
15	43
16	48
17	54
18	61
19	69
20	77
21	85
22	93
23	101
24	109
25	117
26	125
27	131
28	137
29	143
30	149
31	155
32	160
33	166
34	172
35	178
36	182
37	186
38	190
39	194
40	198
41	204
42	210
43	216
44	222
45	228
46	234
47	240
48	246
49	250
50	255
51	261
52	267
53	273
54	279
55	285
56	291
57	297
58	303
59	309
60	315
61	323
62	331
63	341
64	350
65	360