A336383 - cp's OEIS frontend

A336383 a(n) is the smallest number such that, with f(x) = x - (the product of the digits of x), f(a(n)) reaches a fixed point after n iterations.

n	a(n)
0	0
1	1
2	21
3	31
4	42
5	52
6	73
7	81
8	319
9	391
10	463
11	583
12	2911
13	3667
14	6451
15	8793
16	9927
17	237126
18	254158
19	278393
20	2561363
21	9398143
22	9431623
23	9951265
24	83543869
25	83896381
26	83935261
27	2843233127
28	2847297383
29	2853748583
30	2885762663
31	266998137657
32	685718563667
33	688373877587

[0, 1, 21, 31, 42, 52, 73, 81, 319, 391, 463, 583, 2911, 3667, 6451, 8793, 9927, 237126, 254158, 278393, 2561363, 9398143, 9431623, 9951265, 83543869, 83896381, 83935261, 2843233127, 2847297383, 2853748583, 2885762663, 266998137657, 685718563667, 688373877587]

cp's OEIS Frontend

A336383 a(n) is the smallest number such that, with f(x) = x - (the product of the digits of x), f(a(n)) reaches a fixed point after n iterations.

Table of values

List of values