A338432 - cp's OEIS frontend

A338432 Triangle read by rows: T(n, k) = (n - k + 1)^2 + 2*k^2, for n >= 1, and k = 1, 2, ..., n.

n	a(n)
1	3
2	6
3	9
4	11
5	12
6	19
7	18
8	17
9	22
10	33
11	27
12	24
13	27
14	36
15	51
16	38
17	33
18	34
19	41
20	54
21	73
22	51
23	44
24	43
25	48
26	59
27	76
28	99
29	66
30	57
31	54
32	57
33	66
34	81
35	102
36	129
37	83
38	72
39	67
40	68
41	75
42	88
43	107
44	132
45	163
46	102
47	89
48	82
49	81
50	86
51	97
52	114
53	137
54	166
55	201

[3, 6, 9, 11, 12, 19, 18, 17, 22, 33, 27, 24, 27, 36, 51, 38, 33, 34, 41, 54, 73, 51, 44, 43, 48, 59, 76, 99, 66, 57, 54, 57, 66, 81, 102, 129, 83, 72, 67, 68, 75, 88, 107, 132, 163, 102, 89, 82, 81, 86, 97, 114, 137, 166, 201]

cp's OEIS Frontend

A338432 Triangle read by rows: T(n, k) = (n - k + 1)^2 + 2*k^2, for n >= 1, and k = 1, 2, ..., n.

Table of values

List of values

n	a(n)
1	3
2	6
3	9
4	11
5	12
6	19
7	18
8	17
9	22
10	33
11	27
12	24
13	27
14	36
15	51
16	38
17	33
18	34
19	41
20	54
21	73
22	51
23	44
24	43
25	48
26	59
27	76
28	99
29	66
30	57
31	54
32	57
33	66
34	81
35	102
36	129
37	83
38	72
39	67
40	68
41	75
42	88
43	107
44	132
45	163
46	102
47	89
48	82
49	81
50	86
51	97
52	114
53	137
54	166
55	201

n	a(n)
1	3
2	6
3	9
4	11
5	12
6	19
7	18
8	17
9	22
10	33
11	27
12	24
13	27
14	36
15	51
16	38
17	33
18	34
19	41
20	54
21	73
22	51
23	44
24	43
25	48
26	59
27	76
28	99
29	66
30	57
31	54
32	57
33	66
34	81
35	102
36	129
37	83
38	72
39	67
40	68
41	75
42	88
43	107
44	132
45	163
46	102
47	89
48	82
49	81
50	86
51	97
52	114
53	137
54	166
55	201

n	a(n)
1	3
2	6
3	9
4	11
5	12
6	19
7	18
8	17
9	22
10	33
11	27
12	24
13	27
14	36
15	51
16	38
17	33
18	34
19	41
20	54
21	73
22	51
23	44
24	43
25	48
26	59
27	76
28	99
29	66
30	57
31	54
32	57
33	66
34	81
35	102
36	129
37	83
38	72
39	67
40	68
41	75
42	88
43	107
44	132
45	163
46	102
47	89
48	82
49	81
50	86
51	97
52	114
53	137
54	166
55	201