A104715 - cp's OEIS frontend

A104715 Triangle T(n,k) = (2k-1)A000217(n-k+1) read by rows, 1<=k<=n.

n	a(n)
1	1
2	3
3	3
4	6
5	9
6	5
7	10
8	18
9	15
10	7
11	15
12	30
13	30
14	21
15	9
16	21
17	45
18	50
19	42
20	27
21	11
22	28
23	63
24	75
25	70
26	54
27	33
28	13
29	36
30	84
31	105
32	105
33	90
34	66
35	39
36	15
37	45
38	108
39	140
40	147
41	135
42	110
43	78
44	45
45	17
46	55
47	135
48	180
49	196
50	189
51	165
52	130
53	90
54	51
55	19
56	66
57	165

[1, 3, 3, 6, 9, 5, 10, 18, 15, 7, 15, 30, 30, 21, 9, 21, 45, 50, 42, 27, 11, 28, 63, 75, 70, 54, 33, 13, 36, 84, 105, 105, 90, 66, 39, 15, 45, 108, 140, 147, 135, 110, 78, 45, 17, 55, 135, 180, 196, 189, 165, 130, 90, 51, 19, 66, 165]

cp's OEIS Frontend

A104715 Triangle T(n,k) = (2k-1)A000217(n-k+1) read by rows, 1<=k<=n.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	6
5	9
6	5
7	10
8	18
9	15
10	7
11	15
12	30
13	30
14	21
15	9
16	21
17	45
18	50
19	42
20	27
21	11
22	28
23	63
24	75
25	70
26	54
27	33
28	13
29	36
30	84
31	105
32	105
33	90
34	66
35	39
36	15
37	45
38	108
39	140
40	147
41	135
42	110
43	78
44	45
45	17
46	55
47	135
48	180
49	196
50	189
51	165
52	130
53	90
54	51
55	19
56	66
57	165

n	a(n)
1	1
2	3
3	3
4	6
5	9
6	5
7	10
8	18
9	15
10	7
11	15
12	30
13	30
14	21
15	9
16	21
17	45
18	50
19	42
20	27
21	11
22	28
23	63
24	75
25	70
26	54
27	33
28	13
29	36
30	84
31	105
32	105
33	90
34	66
35	39
36	15
37	45
38	108
39	140
40	147
41	135
42	110
43	78
44	45
45	17
46	55
47	135
48	180
49	196
50	189
51	165
52	130
53	90
54	51
55	19
56	66
57	165

cp's OEIS Frontend

A104715 Triangle T(n,k) = (2*k-1)*A000217(n-k+1) read by rows, 1<=k<=n.

Table of values

List of values

A104715 Triangle T(n,k) = (2k-1)A000217(n-k+1) read by rows, 1<=k<=n.

n	a(n)
1	1
2	3
3	3
4	6
5	9
6	5
7	10
8	18
9	15
10	7
11	15
12	30
13	30
14	21
15	9
16	21
17	45
18	50
19	42
20	27
21	11
22	28
23	63
24	75
25	70
26	54
27	33
28	13
29	36
30	84
31	105
32	105
33	90
34	66
35	39
36	15
37	45
38	108
39	140
40	147
41	135
42	110
43	78
44	45
45	17
46	55
47	135
48	180
49	196
50	189
51	165
52	130
53	90
54	51
55	19
56	66
57	165