A248145 - cp's OEIS frontend

A248145 Consider the partition of the positive odd integers into minimal blocks such that concatenation of numbers in each block is a number of the form 3^k*prime, k>=0. Sequence lists numbers of odd integers in the blocks.

n	a(n)
1	2
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	2
16	1
17	1
18	1
19	1
20	1
21	2
22	1
23	2
24	1
25	1
26	1
27	3
28	1
29	1
30	2
31	1
32	1
33	1
34	7
35	1
36	1
37	1
38	2
39	1
40	1
41	1
42	2
43	6
44	1
45	5
46	11
47	7
48	1
49	1
50	1
51	2
52	1
53	1
54	1
55	2
56	1
57	1
58	348
59	2
60	20
61	30
62	453
63	2
64	1
65	2
66	3
67	17
68	1
69	219
70	1
71	2
72	4
73	10
74	1
75	2
76	1
77	1
78	46
79	1303
80	4
81	2
82	1
83	2
84	2
85	1

[2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 7, 1, 1, 1, 2, 1, 1, 1, 2, 6, 1, 5, 11, 7, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 348, 2, 20, 30, 453, 2, 1, 2, 3, 17, 1, 219, 1, 2, 4, 10, 1, 2, 1, 1, 46, 1303, 4, 2, 1, 2, 2, 1]

cp's OEIS Frontend

A248145 Consider the partition of the positive odd integers into minimal blocks such that concatenation of numbers in each block is a number of the form 3^k*prime, k>=0. Sequence lists numbers of odd integers in the blocks.

Table of values

List of values