A106408 - cp's OEIS frontend

A106408 Triangle, read by rows, where T(1,1) = 1; T(2,1) = T(2,2) = 2; for n > 2, T(n,n) = T(n-1,n-1) + T(n-2,n-2); T(n+1,n) = 2 * T(n,n); for all other entries, T(n,k) = T(n-1,k) + T(n-2,k).

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	3
7	5
8	6
9	6
10	5
11	8
12	10
13	9
14	10
15	8
16	13
17	16
18	15
19	15
20	16
21	13
22	21
23	26
24	24
25	25
26	24
27	26
28	21
29	34
30	42
31	39
32	40
33	40
34	39
35	42
36	34
37	55
38	68
39	63
40	65
41	64
42	65
43	63
44	68
45	55
46	89
47	110
48	102
49	105
50	104
51	104
52	105
53	102
54	110
55	89
56	144
57	178
58	165
59	170
60	168
61	169
62	168
63	170
64	165
65	178
66	144

[1, 2, 2, 3, 4, 3, 5, 6, 6, 5, 8, 10, 9, 10, 8, 13, 16, 15, 15, 16, 13, 21, 26, 24, 25, 24, 26, 21, 34, 42, 39, 40, 40, 39, 42, 34, 55, 68, 63, 65, 64, 65, 63, 68, 55, 89, 110, 102, 105, 104, 104, 105, 102, 110, 89, 144, 178, 165, 170, 168, 169, 168, 170, 165, 178, 144]

cp's OEIS Frontend

A106408 Triangle, read by rows, where T(1,1) = 1; T(2,1) = T(2,2) = 2; for n > 2, T(n,n) = T(n-1,n-1) + T(n-2,n-2); T(n+1,n) = 2 * T(n,n); for all other entries, T(n,k) = T(n-1,k) + T(n-2,k).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	3
7	5
8	6
9	6
10	5
11	8
12	10
13	9
14	10
15	8
16	13
17	16
18	15
19	15
20	16
21	13
22	21
23	26
24	24
25	25
26	24
27	26
28	21
29	34
30	42
31	39
32	40
33	40
34	39
35	42
36	34
37	55
38	68
39	63
40	65
41	64
42	65
43	63
44	68
45	55
46	89
47	110
48	102
49	105
50	104
51	104
52	105
53	102
54	110
55	89
56	144
57	178
58	165
59	170
60	168
61	169
62	168
63	170
64	165
65	178
66	144

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	3
7	5
8	6
9	6
10	5
11	8
12	10
13	9
14	10
15	8
16	13
17	16
18	15
19	15
20	16
21	13
22	21
23	26
24	24
25	25
26	24
27	26
28	21
29	34
30	42
31	39
32	40
33	40
34	39
35	42
36	34
37	55
38	68
39	63
40	65
41	64
42	65
43	63
44	68
45	55
46	89
47	110
48	102
49	105
50	104
51	104
52	105
53	102
54	110
55	89
56	144
57	178
58	165
59	170
60	168
61	169
62	168
63	170
64	165
65	178
66	144

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	3
7	5
8	6
9	6
10	5
11	8
12	10
13	9
14	10
15	8
16	13
17	16
18	15
19	15
20	16
21	13
22	21
23	26
24	24
25	25
26	24
27	26
28	21
29	34
30	42
31	39
32	40
33	40
34	39
35	42
36	34
37	55
38	68
39	63
40	65
41	64
42	65
43	63
44	68
45	55
46	89
47	110
48	102
49	105
50	104
51	104
52	105
53	102
54	110
55	89
56	144
57	178
58	165
59	170
60	168
61	169
62	168
63	170
64	165
65	178
66	144