A151995 - cp's OEIS frontend

A151995 a(1)=1; thereafter a(n) is smallest positive number not already in the sequence such that the sum a(1)+...+a(n) divides the concatenation a(1)...a(n).

n	a(n)
1	1
2	2
3	6
4	250488
5	19986
6	118030
7	133970
8	693810
9	2231328
10	3407286
11	5733260
12	25176334
13	75529002
14	1913932644
15	2692452
16	5413116264
17	6766395330
18	2492882490
19	9544178676
20	19819882608
21	10086515692
22	10541120510
23	4147755864
24	6025730266

[1, 2, 6, 250488, 19986, 118030, 133970, 693810, 2231328, 3407286, 5733260, 25176334, 75529002, 1913932644, 2692452, 5413116264, 6766395330, 2492882490, 9544178676, 19819882608, 10086515692, 10541120510, 4147755864, 6025730266]

cp's OEIS Frontend

A151995 a(1)=1; thereafter a(n) is smallest positive number not already in the sequence such that the sum a(1)+...+a(n) divides the concatenation a(1)...a(n).

Table of values

List of values