A166508 - cp's OEIS frontend

A166508 Hypercomma numbers: n occurs in the sequence S[k+1]=S[k]+10*last_digit(S[k-1])+first_digit(S[k]) for each "legal" splitting n=concat(S[0],S[1]).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	20
12	30
13	40
14	50
15	60
16	70
17	80
18	90
19	109
20	806
21	1023
22	1044
23	2005
24	2676
25	3066
26	3602
27	4051
28	6053
29	6246
30	8011
31	8349
32	9427
33	10022
34	10074
35	10587
36	13090
37	15031
38	16867
39	20088
40	20699
41	21698
42	23108
43	29986
44	30091
45	30306
46	32226
47	40022

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 109, 806, 1023, 1044, 2005, 2676, 3066, 3602, 4051, 6053, 6246, 8011, 8349, 9427, 10022, 10074, 10587, 13090, 15031, 16867, 20088, 20699, 21698, 23108, 29986, 30091, 30306, 32226, 40022]

cp's OEIS Frontend

A166508 Hypercomma numbers: n occurs in the sequence S[k+1]=S[k]+10*last_digit(S[k-1])+first_digit(S[k]) for each "legal" splitting n=concat(S[0],S[1]).

Table of values

List of values