A065232 - cp's OEIS frontend

A065232 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the octagonal numbers. The first elements of the rows form a(n).

n	a(n)
0	1
1	1
2	3
3	6
4	2
5	7
6	13
7	20
8	7
9	16
10	26
11	37
12	9
13	22
14	36
15	51
16	2
17	19
18	37
19	56
20	76
21	1
22	23
23	46
24	70
25	95
26	121
27	15
28	43
29	72
30	102
31	133
32	165
33	22
34	56
35	91
36	127
37	164
38	202
39	16
40	56
41	97
42	139
43	182
44	226
45	271
46	37
47	84
48	132
49	181
50	231
51	282
52	334
53	46
54	100
55	155
56	211
57	268
58	326
59	385
60	37
61	98
62	160

[1, 1, 3, 6, 2, 7, 13, 20, 7, 16, 26, 37, 9, 22, 36, 51, 2, 19, 37, 56, 76, 1, 23, 46, 70, 95, 121, 15, 43, 72, 102, 133, 165, 22, 56, 91, 127, 164, 202, 16, 56, 97, 139, 182, 226, 271, 37, 84, 132, 181, 231, 282, 334, 46, 100, 155, 211, 268, 326, 385, 37, 98, 160]

cp's OEIS Frontend

A065232 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the octagonal numbers. The first elements of the rows form a(n).

Table of values

List of values

n	a(n)
0	1
1	1
2	3
3	6
4	2
5	7
6	13
7	20
8	7
9	16
10	26
11	37
12	9
13	22
14	36
15	51
16	2
17	19
18	37
19	56
20	76
21	1
22	23
23	46
24	70
25	95
26	121
27	15
28	43
29	72
30	102
31	133
32	165
33	22
34	56
35	91
36	127
37	164
38	202
39	16
40	56
41	97
42	139
43	182
44	226
45	271
46	37
47	84
48	132
49	181
50	231
51	282
52	334
53	46
54	100
55	155
56	211
57	268
58	326
59	385
60	37
61	98
62	160

n	a(n)
0	1
1	1
2	3
3	6
4	2
5	7
6	13
7	20
8	7
9	16
10	26
11	37
12	9
13	22
14	36
15	51
16	2
17	19
18	37
19	56
20	76
21	1
22	23
23	46
24	70
25	95
26	121
27	15
28	43
29	72
30	102
31	133
32	165
33	22
34	56
35	91
36	127
37	164
38	202
39	16
40	56
41	97
42	139
43	182
44	226
45	271
46	37
47	84
48	132
49	181
50	231
51	282
52	334
53	46
54	100
55	155
56	211
57	268
58	326
59	385
60	37
61	98
62	160

n	a(n)
0	1
1	1
2	3
3	6
4	2
5	7
6	13
7	20
8	7
9	16
10	26
11	37
12	9
13	22
14	36
15	51
16	2
17	19
18	37
19	56
20	76
21	1
22	23
23	46
24	70
25	95
26	121
27	15
28	43
29	72
30	102
31	133
32	165
33	22
34	56
35	91
36	127
37	164
38	202
39	16
40	56
41	97
42	139
43	182
44	226
45	271
46	37
47	84
48	132
49	181
50	231
51	282
52	334
53	46
54	100
55	155
56	211
57	268
58	326
59	385
60	37
61	98
62	160