A233764 - cp's OEIS frontend

A233764 Number of toothpicks and D-toothpicks after n-th stage in a D-toothpick "wide" triangle (see Comments lines for definition).

n	a(n)
0	0
1	1
2	3
3	5
4	9
5	11
6	15
7	21
8	29
9	31
10	35
11	41
12	51
13	61
14	69
15	83
16	99
17	101
18	105
19	111
20	121
21	131
22	141
23	159
24	183
25	201
26	209
27	223
28	245
29	271
30	287
31	317
32	349
33	351
34	355
35	361
36	371
37	381
38	391
39	409
40	433
41	451
42	461
43	479
44	507
45	545
46	575
47	625
48	679
49	713
50	721
51	735
52	757
53	783

[0, 1, 3, 5, 9, 11, 15, 21, 29, 31, 35, 41, 51, 61, 69, 83, 99, 101, 105, 111, 121, 131, 141, 159, 183, 201, 209, 223, 245, 271, 287, 317, 349, 351, 355, 361, 371, 381, 391, 409, 433, 451, 461, 479, 507, 545, 575, 625, 679, 713, 721, 735, 757, 783]

cp's OEIS Frontend

A233764 Number of toothpicks and D-toothpicks after n-th stage in a D-toothpick "wide" triangle (see Comments lines for definition).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	5
4	9
5	11
6	15
7	21
8	29
9	31
10	35
11	41
12	51
13	61
14	69
15	83
16	99
17	101
18	105
19	111
20	121
21	131
22	141
23	159
24	183
25	201
26	209
27	223
28	245
29	271
30	287
31	317
32	349
33	351
34	355
35	361
36	371
37	381
38	391
39	409
40	433
41	451
42	461
43	479
44	507
45	545
46	575
47	625
48	679
49	713
50	721
51	735
52	757
53	783

n	a(n)
0	0
1	1
2	3
3	5
4	9
5	11
6	15
7	21
8	29
9	31
10	35
11	41
12	51
13	61
14	69
15	83
16	99
17	101
18	105
19	111
20	121
21	131
22	141
23	159
24	183
25	201
26	209
27	223
28	245
29	271
30	287
31	317
32	349
33	351
34	355
35	361
36	371
37	381
38	391
39	409
40	433
41	451
42	461
43	479
44	507
45	545
46	575
47	625
48	679
49	713
50	721
51	735
52	757
53	783

n	a(n)
0	0
1	1
2	3
3	5
4	9
5	11
6	15
7	21
8	29
9	31
10	35
11	41
12	51
13	61
14	69
15	83
16	99
17	101
18	105
19	111
20	121
21	131
22	141
23	159
24	183
25	201
26	209
27	223
28	245
29	271
30	287
31	317
32	349
33	351
34	355
35	361
36	371
37	381
38	391
39	409
40	433
41	451
42	461
43	479
44	507
45	545
46	575
47	625
48	679
49	713
50	721
51	735
52	757
53	783