A141431 - cp's OEIS frontend

A141431 Triangle T(n,k) = (k-1)(3n-k+1), read by rows.

n	a(n)
1	0
2	0
3	5
4	0
5	8
6	14
7	0
8	11
9	20
10	27
11	0
12	14
13	26
14	36
15	44
16	0
17	17
18	32
19	45
20	56
21	65
22	0
23	20
24	38
25	54
26	68
27	80
28	90
29	0
30	23
31	44
32	63
33	80
34	95
35	108
36	119
37	0
38	26
39	50
40	72
41	92
42	110
43	126
44	140
45	152
46	0
47	29
48	56
49	81
50	104
51	125
52	144
53	161
54	176
55	189
56	0
57	32
58	62
59	90
60	116
61	140
62	162
63	182
64	200
65	216
66	230
67	0
68	35
69	68
70	99
71	128
72	155
73	180
74	203
75	224
76	243
77	260
78	275

[0, 0, 5, 0, 8, 14, 0, 11, 20, 27, 0, 14, 26, 36, 44, 0, 17, 32, 45, 56, 65, 0, 20, 38, 54, 68, 80, 90, 0, 23, 44, 63, 80, 95, 108, 119, 0, 26, 50, 72, 92, 110, 126, 140, 152, 0, 29, 56, 81, 104, 125, 144, 161, 176, 189, 0, 32, 62, 90, 116, 140, 162, 182, 200, 216, 230, 0, 35, 68, 99, 128, 155, 180, 203, 224, 243, 260, 275]

cp's OEIS Frontend

A141431 Triangle T(n,k) = (k-1)(3n-k+1), read by rows.

Table of values

List of values

n	a(n)
1	0
2	0
3	5
4	0
5	8
6	14
7	0
8	11
9	20
10	27
11	0
12	14
13	26
14	36
15	44
16	0
17	17
18	32
19	45
20	56
21	65
22	0
23	20
24	38
25	54
26	68
27	80
28	90
29	0
30	23
31	44
32	63
33	80
34	95
35	108
36	119
37	0
38	26
39	50
40	72
41	92
42	110
43	126
44	140
45	152
46	0
47	29
48	56
49	81
50	104
51	125
52	144
53	161
54	176
55	189
56	0
57	32
58	62
59	90
60	116
61	140
62	162
63	182
64	200
65	216
66	230
67	0
68	35
69	68
70	99
71	128
72	155
73	180
74	203
75	224
76	243
77	260
78	275

n	a(n)
1	0
2	0
3	5
4	0
5	8
6	14
7	0
8	11
9	20
10	27
11	0
12	14
13	26
14	36
15	44
16	0
17	17
18	32
19	45
20	56
21	65
22	0
23	20
24	38
25	54
26	68
27	80
28	90
29	0
30	23
31	44
32	63
33	80
34	95
35	108
36	119
37	0
38	26
39	50
40	72
41	92
42	110
43	126
44	140
45	152
46	0
47	29
48	56
49	81
50	104
51	125
52	144
53	161
54	176
55	189
56	0
57	32
58	62
59	90
60	116
61	140
62	162
63	182
64	200
65	216
66	230
67	0
68	35
69	68
70	99
71	128
72	155
73	180
74	203
75	224
76	243
77	260
78	275

cp's OEIS Frontend

A141431 Triangle T(n,k) = (k-1)*(3*n-k+1), read by rows.

Table of values

List of values

A141431 Triangle T(n,k) = (k-1)(3n-k+1), read by rows.

n	a(n)
1	0
2	0
3	5
4	0
5	8
6	14
7	0
8	11
9	20
10	27
11	0
12	14
13	26
14	36
15	44
16	0
17	17
18	32
19	45
20	56
21	65
22	0
23	20
24	38
25	54
26	68
27	80
28	90
29	0
30	23
31	44
32	63
33	80
34	95
35	108
36	119
37	0
38	26
39	50
40	72
41	92
42	110
43	126
44	140
45	152
46	0
47	29
48	56
49	81
50	104
51	125
52	144
53	161
54	176
55	189
56	0
57	32
58	62
59	90
60	116
61	140
62	162
63	182
64	200
65	216
66	230
67	0
68	35
69	68
70	99
71	128
72	155
73	180
74	203
75	224
76	243
77	260
78	275