A168112 - cp's OEIS frontend

A168112 Toothpick sequence starting with a straight line, with angle = Pi/4, from which protrudes a half toothpick.

n	a(n)
0	0
1	1
2	2
3	4
4	7
5	10
6	13
7	19
8	26
9	32
10	35
11	41
12	48
13	56
14	65
15	81
16	98
17	108
18	111
19	117
20	124
21	132
22	141
23	157
24	174
25	186
26	195
27	211
28	230
29	252
30	283
31	329
32	370
33	388
34	391
35	397
36	404
37	412
38	421
39	437
40	454
41	466
42	475
43	491
44	510
45	532
46	563
47	609
48	650
49	670

[0, 1, 2, 4, 7, 10, 13, 19, 26, 32, 35, 41, 48, 56, 65, 81, 98, 108, 111, 117, 124, 132, 141, 157, 174, 186, 195, 211, 230, 252, 283, 329, 370, 388, 391, 397, 404, 412, 421, 437, 454, 466, 475, 491, 510, 532, 563, 609, 650, 670]

cp's OEIS Frontend

A168112 Toothpick sequence starting with a straight line, with angle = Pi/4, from which protrudes a half toothpick.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	4
4	7
5	10
6	13
7	19
8	26
9	32
10	35
11	41
12	48
13	56
14	65
15	81
16	98
17	108
18	111
19	117
20	124
21	132
22	141
23	157
24	174
25	186
26	195
27	211
28	230
29	252
30	283
31	329
32	370
33	388
34	391
35	397
36	404
37	412
38	421
39	437
40	454
41	466
42	475
43	491
44	510
45	532
46	563
47	609
48	650
49	670

n	a(n)
0	0
1	1
2	2
3	4
4	7
5	10
6	13
7	19
8	26
9	32
10	35
11	41
12	48
13	56
14	65
15	81
16	98
17	108
18	111
19	117
20	124
21	132
22	141
23	157
24	174
25	186
26	195
27	211
28	230
29	252
30	283
31	329
32	370
33	388
34	391
35	397
36	404
37	412
38	421
39	437
40	454
41	466
42	475
43	491
44	510
45	532
46	563
47	609
48	650
49	670

n	a(n)
0	0
1	1
2	2
3	4
4	7
5	10
6	13
7	19
8	26
9	32
10	35
11	41
12	48
13	56
14	65
15	81
16	98
17	108
18	111
19	117
20	124
21	132
22	141
23	157
24	174
25	186
26	195
27	211
28	230
29	252
30	283
31	329
32	370
33	388
34	391
35	397
36	404
37	412
38	421
39	437
40	454
41	466
42	475
43	491
44	510
45	532
46	563
47	609
48	650
49	670