A155546 - cp's OEIS frontend

A155546 Triangle read by rows where T(m,n)=2mn + m + n - 5, 1<=n<=m.

n	a(n)
1	-1
2	2
3	7
4	5
5	12
6	19
7	8
8	17
9	26
10	35
11	11
12	22
13	33
14	44
15	55
16	14
17	27
18	40
19	53
20	66
21	79
22	17
23	32
24	47
25	62
26	77
27	92
28	107
29	20
30	37
31	54
32	71
33	88
34	105
35	122
36	139
37	23
38	42
39	61
40	80
41	99
42	118
43	137
44	156
45	175
46	26
47	47
48	68
49	89
50	110
51	131
52	152
53	173
54	194
55	215
56	29
57	52
58	75
59	98
60	121
61	144
62	167
63	190
64	213

[-1, 2, 7, 5, 12, 19, 8, 17, 26, 35, 11, 22, 33, 44, 55, 14, 27, 40, 53, 66, 79, 17, 32, 47, 62, 77, 92, 107, 20, 37, 54, 71, 88, 105, 122, 139, 23, 42, 61, 80, 99, 118, 137, 156, 175, 26, 47, 68, 89, 110, 131, 152, 173, 194, 215, 29, 52, 75, 98, 121, 144, 167, 190, 213]

cp's OEIS Frontend

A155546 Triangle read by rows where T(m,n)=2mn + m + n - 5, 1<=n<=m.

Table of values

List of values

n	a(n)
1	-1
2	2
3	7
4	5
5	12
6	19
7	8
8	17
9	26
10	35
11	11
12	22
13	33
14	44
15	55
16	14
17	27
18	40
19	53
20	66
21	79
22	17
23	32
24	47
25	62
26	77
27	92
28	107
29	20
30	37
31	54
32	71
33	88
34	105
35	122
36	139
37	23
38	42
39	61
40	80
41	99
42	118
43	137
44	156
45	175
46	26
47	47
48	68
49	89
50	110
51	131
52	152
53	173
54	194
55	215
56	29
57	52
58	75
59	98
60	121
61	144
62	167
63	190
64	213

n	a(n)
1	-1
2	2
3	7
4	5
5	12
6	19
7	8
8	17
9	26
10	35
11	11
12	22
13	33
14	44
15	55
16	14
17	27
18	40
19	53
20	66
21	79
22	17
23	32
24	47
25	62
26	77
27	92
28	107
29	20
30	37
31	54
32	71
33	88
34	105
35	122
36	139
37	23
38	42
39	61
40	80
41	99
42	118
43	137
44	156
45	175
46	26
47	47
48	68
49	89
50	110
51	131
52	152
53	173
54	194
55	215
56	29
57	52
58	75
59	98
60	121
61	144
62	167
63	190
64	213

n	a(n)
1	-1
2	2
3	7
4	5
5	12
6	19
7	8
8	17
9	26
10	35
11	11
12	22
13	33
14	44
15	55
16	14
17	27
18	40
19	53
20	66
21	79
22	17
23	32
24	47
25	62
26	77
27	92
28	107
29	20
30	37
31	54
32	71
33	88
34	105
35	122
36	139
37	23
38	42
39	61
40	80
41	99
42	118
43	137
44	156
45	175
46	26
47	47
48	68
49	89
50	110
51	131
52	152
53	173
54	194
55	215
56	29
57	52
58	75
59	98
60	121
61	144
62	167
63	190
64	213