A134310 - cp's OEIS frontend

A134310 (A000012 * A134309 + A134309 * A000012) - A000012, where the sequences are interpreted as lower triangular matrices.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	7
10	8
11	8
12	9
13	11
14	15
15	16
16	16
17	17
18	19
19	23
20	31
21	32
22	32
23	33
24	35
25	39
26	47
27	63
28	64
29	64
30	65
31	67
32	71
33	79
34	95
35	127
36	128
37	128
38	129
39	131
40	135
41	143
42	159
43	191
44	255
45	256
46	256
47	257
48	259
49	263
50	271
51	287
52	319
53	383
54	511

[1, 1, 1, 2, 2, 3, 4, 4, 5, 7, 8, 8, 9, 11, 15, 16, 16, 17, 19, 23, 31, 32, 32, 33, 35, 39, 47, 63, 64, 64, 65, 67, 71, 79, 95, 127, 128, 128, 129, 131, 135, 143, 159, 191, 255, 256, 256, 257, 259, 263, 271, 287, 319, 383, 511]

cp's OEIS Frontend

A134310 (A000012 * A134309 + A134309 * A000012) - A000012, where the sequences are interpreted as lower triangular matrices.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	7
10	8
11	8
12	9
13	11
14	15
15	16
16	16
17	17
18	19
19	23
20	31
21	32
22	32
23	33
24	35
25	39
26	47
27	63
28	64
29	64
30	65
31	67
32	71
33	79
34	95
35	127
36	128
37	128
38	129
39	131
40	135
41	143
42	159
43	191
44	255
45	256
46	256
47	257
48	259
49	263
50	271
51	287
52	319
53	383
54	511

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	7
10	8
11	8
12	9
13	11
14	15
15	16
16	16
17	17
18	19
19	23
20	31
21	32
22	32
23	33
24	35
25	39
26	47
27	63
28	64
29	64
30	65
31	67
32	71
33	79
34	95
35	127
36	128
37	128
38	129
39	131
40	135
41	143
42	159
43	191
44	255
45	256
46	256
47	257
48	259
49	263
50	271
51	287
52	319
53	383
54	511

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	7
10	8
11	8
12	9
13	11
14	15
15	16
16	16
17	17
18	19
19	23
20	31
21	32
22	32
23	33
24	35
25	39
26	47
27	63
28	64
29	64
30	65
31	67
32	71
33	79
34	95
35	127
36	128
37	128
38	129
39	131
40	135
41	143
42	159
43	191
44	255
45	256
46	256
47	257
48	259
49	263
50	271
51	287
52	319
53	383
54	511