A250746 - cp's OEIS frontend

A250746 Start with a(0) = 0; then a(n) = smallest number > a(n-1) such that a(n) divides concat(a(n), a(n-1), ..., a(0)).

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	10
6	15
7	18
8	19
9	35
10	42
11	51
12	55
13	70
14	85
15	93
16	95
17	106
18	155
19	217
20	310
21	745
22	1210
23	1342
24	3355
25	5185
26	6222
27	6330
28	9495
29	10413
30	11115
31	12070
32	13774
33	34435
34	41322
35	61983
36	68870
37	1601065116264571
38	2217993924228622
39	2324778503347862
40	2325380783693255

[0, 1, 2, 3, 5, 10, 15, 18, 19, 35, 42, 51, 55, 70, 85, 93, 95, 106, 155, 217, 310, 745, 1210, 1342, 3355, 5185, 6222, 6330, 9495, 10413, 11115, 12070, 13774, 34435, 41322, 61983, 68870, 1601065116264571, 2217993924228622, 2324778503347862, 2325380783693255]

cp's OEIS Frontend

A250746 Start with a(0) = 0; then a(n) = smallest number > a(n-1) such that a(n) divides concat(a(n), a(n-1), ..., a(0)).

Table of values

List of values