A220494 - cp's OEIS frontend

A220494 Number of toothpicks and D-toothpicks after n-th stage in the structure of the D-toothpick "wide" triangle of the first kind.

n	a(n)
0	0
1	1
2	3
3	7
4	11
5	15
6	19
7	27
8	35
9	39
10	43
11	51
12	59
13	67
14	75
15	91
16	107
17	111
18	115
19	123
20	131
21	139
22	147
23	163
24	179
25	187
26	195
27	211
28	227
29	243
30	259
31	291
32	323
33	327
34	331
35	339
36	347
37	355
38	363
39	379
40	395
41	403
42	411
43	427
44	443
45	459
46	475
47	507
48	539
49	547
50	555
51	571
52	587
53	603

[0, 1, 3, 7, 11, 15, 19, 27, 35, 39, 43, 51, 59, 67, 75, 91, 107, 111, 115, 123, 131, 139, 147, 163, 179, 187, 195, 211, 227, 243, 259, 291, 323, 327, 331, 339, 347, 355, 363, 379, 395, 403, 411, 427, 443, 459, 475, 507, 539, 547, 555, 571, 587, 603]

cp's OEIS Frontend

A220494 Number of toothpicks and D-toothpicks after n-th stage in the structure of the D-toothpick "wide" triangle of the first kind.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	7
4	11
5	15
6	19
7	27
8	35
9	39
10	43
11	51
12	59
13	67
14	75
15	91
16	107
17	111
18	115
19	123
20	131
21	139
22	147
23	163
24	179
25	187
26	195
27	211
28	227
29	243
30	259
31	291
32	323
33	327
34	331
35	339
36	347
37	355
38	363
39	379
40	395
41	403
42	411
43	427
44	443
45	459
46	475
47	507
48	539
49	547
50	555
51	571
52	587
53	603

n	a(n)
0	0
1	1
2	3
3	7
4	11
5	15
6	19
7	27
8	35
9	39
10	43
11	51
12	59
13	67
14	75
15	91
16	107
17	111
18	115
19	123
20	131
21	139
22	147
23	163
24	179
25	187
26	195
27	211
28	227
29	243
30	259
31	291
32	323
33	327
34	331
35	339
36	347
37	355
38	363
39	379
40	395
41	403
42	411
43	427
44	443
45	459
46	475
47	507
48	539
49	547
50	555
51	571
52	587
53	603

n	a(n)
0	0
1	1
2	3
3	7
4	11
5	15
6	19
7	27
8	35
9	39
10	43
11	51
12	59
13	67
14	75
15	91
16	107
17	111
18	115
19	123
20	131
21	139
22	147
23	163
24	179
25	187
26	195
27	211
28	227
29	243
30	259
31	291
32	323
33	327
34	331
35	339
36	347
37	355
38	363
39	379
40	395
41	403
42	411
43	427
44	443
45	459
46	475
47	507
48	539
49	547
50	555
51	571
52	587
53	603