A238899 - cp's OEIS frontend

A238899 Irregular triangle read by rows: row n lists divisors of n-th Lucas number A000032(n).

n	a(n)
0	1
1	2
2	1
3	1
4	3
5	1
6	2
7	4
8	1
9	7
10	1
11	11
12	1
13	2
14	3
15	6
16	9
17	18
18	1
19	29
20	1
21	47
22	1
23	2
24	4
25	19
26	38
27	76
28	1
29	3
30	41
31	123
32	1
33	199
34	1
35	2
36	7
37	14
38	23
39	46
40	161
41	322
42	1
43	521
44	1
45	3
46	281
47	843
48	1
49	2
50	4
51	11
52	22
53	31
54	44
55	62
56	124
57	341
58	682
59	1364
60	1
61	2207
62	1
63	3571
64	1
65	2
66	3
67	6
68	9
69	18
70	27
71	54

[1, 2, 1, 1, 3, 1, 2, 4, 1, 7, 1, 11, 1, 2, 3, 6, 9, 18, 1, 29, 1, 47, 1, 2, 4, 19, 38, 76, 1, 3, 41, 123, 1, 199, 1, 2, 7, 14, 23, 46, 161, 322, 1, 521, 1, 3, 281, 843, 1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 1, 2207, 1, 3571, 1, 2, 3, 6, 9, 18, 27, 54]

cp's OEIS Frontend

A238899 Irregular triangle read by rows: row n lists divisors of n-th Lucas number A000032(n).

Table of values

List of values