A229950 - cp's OEIS frontend

A229950 Total number of toothpicks after n-th stage in a toothpick structure in which the toothpicks represent the 1's of triangle A229940.

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	3
9	5
10	6
11	8
12	8
13	10
14	11
15	13
16	13
17	15
18	16
19	19
20	20
21	23
22	25
23	28
24	28
25	31
26	33
27	36
28	37
29	40
30	41
31	44
32	45
33	49
34	52
35	56
36	57
37	61
38	64
39	68
40	69
41	73
42	75
43	79
44	81
45	85
46	88
47	92
48	92
49	96
50	99
51	104
52	107
53	112
54	115
55	120
56	122
57	127
58	131
59	136
60	137
61	142
62	146
63	151
64	153

[0, 0, 0, 1, 1, 2, 2, 3, 3, 5, 6, 8, 8, 10, 11, 13, 13, 15, 16, 19, 20, 23, 25, 28, 28, 31, 33, 36, 37, 40, 41, 44, 45, 49, 52, 56, 57, 61, 64, 68, 69, 73, 75, 79, 81, 85, 88, 92, 92, 96, 99, 104, 107, 112, 115, 120, 122, 127, 131, 136, 137, 142, 146, 151, 153]

cp's OEIS Frontend

A229950 Total number of toothpicks after n-th stage in a toothpick structure in which the toothpicks represent the 1's of triangle A229940.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	3
9	5
10	6
11	8
12	8
13	10
14	11
15	13
16	13
17	15
18	16
19	19
20	20
21	23
22	25
23	28
24	28
25	31
26	33
27	36
28	37
29	40
30	41
31	44
32	45
33	49
34	52
35	56
36	57
37	61
38	64
39	68
40	69
41	73
42	75
43	79
44	81
45	85
46	88
47	92
48	92
49	96
50	99
51	104
52	107
53	112
54	115
55	120
56	122
57	127
58	131
59	136
60	137
61	142
62	146
63	151
64	153

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	3
9	5
10	6
11	8
12	8
13	10
14	11
15	13
16	13
17	15
18	16
19	19
20	20
21	23
22	25
23	28
24	28
25	31
26	33
27	36
28	37
29	40
30	41
31	44
32	45
33	49
34	52
35	56
36	57
37	61
38	64
39	68
40	69
41	73
42	75
43	79
44	81
45	85
46	88
47	92
48	92
49	96
50	99
51	104
52	107
53	112
54	115
55	120
56	122
57	127
58	131
59	136
60	137
61	142
62	146
63	151
64	153

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	3
9	5
10	6
11	8
12	8
13	10
14	11
15	13
16	13
17	15
18	16
19	19
20	20
21	23
22	25
23	28
24	28
25	31
26	33
27	36
28	37
29	40
30	41
31	44
32	45
33	49
34	52
35	56
36	57
37	61
38	64
39	68
40	69
41	73
42	75
43	79
44	81
45	85
46	88
47	92
48	92
49	96
50	99
51	104
52	107
53	112
54	115
55	120
56	122
57	127
58	131
59	136
60	137
61	142
62	146
63	151
64	153