A119918 - cp's OEIS frontend

A119918 Table read by antidiagonals: number of rationals in [0, 1) having exactly n preperiodic bits, then exactly k periodic bits (read up antidiagonals).

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	6
7	4
8	4
9	6
10	12
11	8
12	8
13	12
14	12
15	30
16	16
17	16
18	24
19	24
20	30
21	54
22	32
23	32
24	48
25	48
26	60
27	54
28	126
29	64
30	64
31	96
32	96
33	120
34	108
35	126
36	240
37	128
38	128
39	192
40	192
41	240
42	216
43	252
44	240
45	504
46	256
47	256
48	384
49	384
50	480
51	432
52	504
53	480
54	504
55	990
56	512
57	512
58	768
59	768
60	960
61	864
62	1008

[1, 1, 2, 2, 2, 6, 4, 4, 6, 12, 8, 8, 12, 12, 30, 16, 16, 24, 24, 30, 54, 32, 32, 48, 48, 60, 54, 126, 64, 64, 96, 96, 120, 108, 126, 240, 128, 128, 192, 192, 240, 216, 252, 240, 504, 256, 256, 384, 384, 480, 432, 504, 480, 504, 990, 512, 512, 768, 768, 960, 864, 1008]

cp's OEIS Frontend

A119918 Table read by antidiagonals: number of rationals in [0, 1) having exactly n preperiodic bits, then exactly k periodic bits (read up antidiagonals).

Table of values

List of values