A129801 - cp's OEIS frontend

A129801 Triangle read by rows in which row m (m>=0) gives the numbers 2mn + 1 for n = 0, ..., m.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	9
7	1
8	7
9	13
10	19
11	1
12	9
13	17
14	25
15	33
16	1
17	11
18	21
19	31
20	41
21	51
22	1
23	13
24	25
25	37
26	49
27	61
28	73
29	1
30	15
31	29
32	43
33	57
34	71
35	85
36	99
37	1
38	17
39	33
40	49
41	65
42	81
43	97
44	113
45	129
46	1
47	19
48	37
49	55
50	73
51	91
52	109
53	127
54	145
55	163
56	1
57	21
58	41
59	61
60	81
61	101
62	121
63	141
64	161
65	181
66	201

[1, 1, 3, 1, 5, 9, 1, 7, 13, 19, 1, 9, 17, 25, 33, 1, 11, 21, 31, 41, 51, 1, 13, 25, 37, 49, 61, 73, 1, 15, 29, 43, 57, 71, 85, 99, 1, 17, 33, 49, 65, 81, 97, 113, 129, 1, 19, 37, 55, 73, 91, 109, 127, 145, 163, 1, 21, 41, 61, 81, 101, 121, 141, 161, 181, 201]

cp's OEIS Frontend

A129801 Triangle read by rows in which row m (m>=0) gives the numbers 2mn + 1 for n = 0, ..., m.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	9
7	1
8	7
9	13
10	19
11	1
12	9
13	17
14	25
15	33
16	1
17	11
18	21
19	31
20	41
21	51
22	1
23	13
24	25
25	37
26	49
27	61
28	73
29	1
30	15
31	29
32	43
33	57
34	71
35	85
36	99
37	1
38	17
39	33
40	49
41	65
42	81
43	97
44	113
45	129
46	1
47	19
48	37
49	55
50	73
51	91
52	109
53	127
54	145
55	163
56	1
57	21
58	41
59	61
60	81
61	101
62	121
63	141
64	161
65	181
66	201

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	9
7	1
8	7
9	13
10	19
11	1
12	9
13	17
14	25
15	33
16	1
17	11
18	21
19	31
20	41
21	51
22	1
23	13
24	25
25	37
26	49
27	61
28	73
29	1
30	15
31	29
32	43
33	57
34	71
35	85
36	99
37	1
38	17
39	33
40	49
41	65
42	81
43	97
44	113
45	129
46	1
47	19
48	37
49	55
50	73
51	91
52	109
53	127
54	145
55	163
56	1
57	21
58	41
59	61
60	81
61	101
62	121
63	141
64	161
65	181
66	201

cp's OEIS Frontend

A129801 Triangle read by rows in which row m (m>=0) gives the numbers 2*m*n + 1 for n = 0, ..., m.

Table of values

List of values

A129801 Triangle read by rows in which row m (m>=0) gives the numbers 2mn + 1 for n = 0, ..., m.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	9
7	1
8	7
9	13
10	19
11	1
12	9
13	17
14	25
15	33
16	1
17	11
18	21
19	31
20	41
21	51
22	1
23	13
24	25
25	37
26	49
27	61
28	73
29	1
30	15
31	29
32	43
33	57
34	71
35	85
36	99
37	1
38	17
39	33
40	49
41	65
42	81
43	97
44	113
45	129
46	1
47	19
48	37
49	55
50	73
51	91
52	109
53	127
54	145
55	163
56	1
57	21
58	41
59	61
60	81
61	101
62	121
63	141
64	161
65	181
66	201