A309201 - cp's OEIS frontend

A309201 a(n) is the smallest divisor of the Motzkin number A001006(n) not already in the sequence.

n	a(n)
1	1
2	2
3	4
4	3
5	7
6	17
7	127
8	19
9	5
10	547
11	13
12	15511
13	15
14	6
15	9
16	284489
17	57
18	1089397
19	12
20	73
21	11
22	21
23	35
24	63
25	119
26	6417454619
27	38
28	107
29	31
30	1483
31	497461
32	4644523115569
33	51
34	10
35	37
36	953467954114363
37	1601
38	370537
39	1063
40	1301337253214147
41	43
42	18
43	1951
44	520497658389713341

[1, 2, 4, 3, 7, 17, 127, 19, 5, 547, 13, 15511, 15, 6, 9, 284489, 57, 1089397, 12, 73, 11, 21, 35, 63, 119, 6417454619, 38, 107, 31, 1483, 497461, 4644523115569, 51, 10, 37, 953467954114363, 1601, 370537, 1063, 1301337253214147, 43, 18, 1951, 520497658389713341]

cp's OEIS Frontend

A309201 a(n) is the smallest divisor of the Motzkin number A001006(n) not already in the sequence.

Table of values

List of values