A279079 - cp's OEIS frontend

A279079 Maximum starting value of X such that repeated replacement of X with X-ceiling(X/9) requires n steps to reach 0.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	14
12	16
13	19
14	22
15	25
16	29
17	33
18	38
19	43
20	49
21	56
22	64
23	73
24	83
25	94
26	106
27	120
28	136
29	154
30	174
31	196
32	221
33	249
34	281
35	317
36	357
37	402
38	453
39	510
40	574
41	646
42	727
43	818
44	921
45	1037
46	1167
47	1313
48	1478
49	1663
50	1871
51	2105
52	2369
53	2666
54	3000
55	3376
56	3799

[0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 19, 22, 25, 29, 33, 38, 43, 49, 56, 64, 73, 83, 94, 106, 120, 136, 154, 174, 196, 221, 249, 281, 317, 357, 402, 453, 510, 574, 646, 727, 818, 921, 1037, 1167, 1313, 1478, 1663, 1871, 2105, 2369, 2666, 3000, 3376, 3799]

cp's OEIS Frontend

A279079 Maximum starting value of X such that repeated replacement of X with X-ceiling(X/9) requires n steps to reach 0.

Table of values

List of values