A101447 - cp's OEIS frontend

A101447 Triangle read by rows: T(n,k) = (2k+1)(n+1-k), 0 <= k < n.

n	a(n)
0	1
1	2
2	3
3	3
4	6
5	5
6	4
7	9
8	10
9	7
10	5
11	12
12	15
13	14
14	9
15	6
16	15
17	20
18	21
19	18
20	11
21	7
22	18
23	25
24	28
25	27
26	22
27	13
28	8
29	21
30	30
31	35
32	36
33	33
34	26
35	15
36	9
37	24
38	35
39	42
40	45
41	44
42	39
43	30
44	17
45	10
46	27
47	40
48	49
49	54
50	55
51	52
52	45
53	34
54	19
55	11
56	30
57	45
58	56
59	63
60	66
61	65
62	60
63	51
64	38
65	21
66	12
67	33
68	50
69	63
70	72
71	77
72	78
73	75
74	68
75	57
76	42
77	23

[1, 2, 3, 3, 6, 5, 4, 9, 10, 7, 5, 12, 15, 14, 9, 6, 15, 20, 21, 18, 11, 7, 18, 25, 28, 27, 22, 13, 8, 21, 30, 35, 36, 33, 26, 15, 9, 24, 35, 42, 45, 44, 39, 30, 17, 10, 27, 40, 49, 54, 55, 52, 45, 34, 19, 11, 30, 45, 56, 63, 66, 65, 60, 51, 38, 21, 12, 33, 50, 63, 72, 77, 78, 75, 68, 57, 42, 23]

cp's OEIS Frontend

A101447 Triangle read by rows: T(n,k) = (2k+1)(n+1-k), 0 <= k < n.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	3
4	6
5	5
6	4
7	9
8	10
9	7
10	5
11	12
12	15
13	14
14	9
15	6
16	15
17	20
18	21
19	18
20	11
21	7
22	18
23	25
24	28
25	27
26	22
27	13
28	8
29	21
30	30
31	35
32	36
33	33
34	26
35	15
36	9
37	24
38	35
39	42
40	45
41	44
42	39
43	30
44	17
45	10
46	27
47	40
48	49
49	54
50	55
51	52
52	45
53	34
54	19
55	11
56	30
57	45
58	56
59	63
60	66
61	65
62	60
63	51
64	38
65	21
66	12
67	33
68	50
69	63
70	72
71	77
72	78
73	75
74	68
75	57
76	42
77	23

n	a(n)
0	1
1	2
2	3
3	3
4	6
5	5
6	4
7	9
8	10
9	7
10	5
11	12
12	15
13	14
14	9
15	6
16	15
17	20
18	21
19	18
20	11
21	7
22	18
23	25
24	28
25	27
26	22
27	13
28	8
29	21
30	30
31	35
32	36
33	33
34	26
35	15
36	9
37	24
38	35
39	42
40	45
41	44
42	39
43	30
44	17
45	10
46	27
47	40
48	49
49	54
50	55
51	52
52	45
53	34
54	19
55	11
56	30
57	45
58	56
59	63
60	66
61	65
62	60
63	51
64	38
65	21
66	12
67	33
68	50
69	63
70	72
71	77
72	78
73	75
74	68
75	57
76	42
77	23

cp's OEIS Frontend

A101447 Triangle read by rows: T(n,k) = (2*k+1)*(n+1-k), 0 <= k < n.

Table of values

List of values

A101447 Triangle read by rows: T(n,k) = (2k+1)(n+1-k), 0 <= k < n.

n	a(n)
0	1
1	2
2	3
3	3
4	6
5	5
6	4
7	9
8	10
9	7
10	5
11	12
12	15
13	14
14	9
15	6
16	15
17	20
18	21
19	18
20	11
21	7
22	18
23	25
24	28
25	27
26	22
27	13
28	8
29	21
30	30
31	35
32	36
33	33
34	26
35	15
36	9
37	24
38	35
39	42
40	45
41	44
42	39
43	30
44	17
45	10
46	27
47	40
48	49
49	54
50	55
51	52
52	45
53	34
54	19
55	11
56	30
57	45
58	56
59	63
60	66
61	65
62	60
63	51
64	38
65	21
66	12
67	33
68	50
69	63
70	72
71	77
72	78
73	75
74	68
75	57
76	42
77	23