A139252 - cp's OEIS frontend

A139252 Number of segments needed to draw the toothpick structure of A139250 as it is after n stages.

n	a(n)
0	0
1	1
2	3
3	5
4	7
5	11
6	15
7	17
8	19
9	23
10	27
11	31
12	39
13	51
14	59
15	61
16	63
17	67
18	71
19	75
20	83
21	95
22	103
23	107
24	115
25	127
26	139
27	155
28	183
29	215
30	231
31	233
32	235
33	239
34	243
35	247
36	255
37	267
38	275
39	279
40	287
41	299
42	311
43	327
44	355
45	387
46	403
47	407
48	415

[0, 1, 3, 5, 7, 11, 15, 17, 19, 23, 27, 31, 39, 51, 59, 61, 63, 67, 71, 75, 83, 95, 103, 107, 115, 127, 139, 155, 183, 215, 231, 233, 235, 239, 243, 247, 255, 267, 275, 279, 287, 299, 311, 327, 355, 387, 403, 407, 415]

cp's OEIS Frontend

A139252 Number of segments needed to draw the toothpick structure of A139250 as it is after n stages.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	5
4	7
5	11
6	15
7	17
8	19
9	23
10	27
11	31
12	39
13	51
14	59
15	61
16	63
17	67
18	71
19	75
20	83
21	95
22	103
23	107
24	115
25	127
26	139
27	155
28	183
29	215
30	231
31	233
32	235
33	239
34	243
35	247
36	255
37	267
38	275
39	279
40	287
41	299
42	311
43	327
44	355
45	387
46	403
47	407
48	415

n	a(n)
0	0
1	1
2	3
3	5
4	7
5	11
6	15
7	17
8	19
9	23
10	27
11	31
12	39
13	51
14	59
15	61
16	63
17	67
18	71
19	75
20	83
21	95
22	103
23	107
24	115
25	127
26	139
27	155
28	183
29	215
30	231
31	233
32	235
33	239
34	243
35	247
36	255
37	267
38	275
39	279
40	287
41	299
42	311
43	327
44	355
45	387
46	403
47	407
48	415

n	a(n)
0	0
1	1
2	3
3	5
4	7
5	11
6	15
7	17
8	19
9	23
10	27
11	31
12	39
13	51
14	59
15	61
16	63
17	67
18	71
19	75
20	83
21	95
22	103
23	107
24	115
25	127
26	139
27	155
28	183
29	215
30	231
31	233
32	235
33	239
34	243
35	247
36	255
37	267
38	275
39	279
40	287
41	299
42	311
43	327
44	355
45	387
46	403
47	407
48	415