A183079 - cp's OEIS frontend

A183079 Tree generated by the triangular numbers: a(1) = 1; a(2n) = nontriangular(a(n)), a(2n+1) = triangular(a(n+1)), where triangular = A000217, nontriangular = A014132.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	5
7	10
8	7
9	21
10	9
11	15
12	8
13	55
14	14
15	28
16	11
17	231
18	27
19	45
20	13
21	120
22	20
23	36
24	12
25	1540
26	65
27	105
28	19
29	406
30	35
31	66
32	16
33	26796
34	252
35	378
36	34
37	1035
38	54
39	91
40	18
41	7260
42	135
43	210
44	26
45	666
46	44
47	78
48	17
49	1186570
50	1595
51	2145
52	76
53	5565
54	119
55	190
56	25
57	82621
58	434

[1, 2, 3, 4, 6, 5, 10, 7, 21, 9, 15, 8, 55, 14, 28, 11, 231, 27, 45, 13, 120, 20, 36, 12, 1540, 65, 105, 19, 406, 35, 66, 16, 26796, 252, 378, 34, 1035, 54, 91, 18, 7260, 135, 210, 26, 666, 44, 78, 17, 1186570, 1595, 2145, 76, 5565, 119, 190, 25, 82621, 434]

cp's OEIS Frontend

A183079 Tree generated by the triangular numbers: a(1) = 1; a(2n) = nontriangular(a(n)), a(2n+1) = triangular(a(n+1)), where triangular = A000217, nontriangular = A014132.

Table of values

List of values