A287295 - cp's OEIS frontend

A287295 a(2n-1) is concatenation of sequence (1,3,..,2n-3,2n-1,2n-3,..3,1) and a(2n) is concatenation of sequence (1,3,..,2n-3,2n-1,2n-1,2n-3,..3,1).

n	a(n)
1	1
2	11
3	131
4	1331
5	13531
6	135531
7	1357531
8	13577531
9	135797531
10	1357997531
11	135791197531
12	13579111197531
13	1357911131197531
14	135791113131197531
15	13579111315131197531
16	1357911131515131197531
17	135791113151715131197531
18	13579111315171715131197531

[1, 11, 131, 1331, 13531, 135531, 1357531, 13577531, 135797531, 1357997531, 135791197531, 13579111197531, 1357911131197531, 135791113131197531, 13579111315131197531, 1357911131515131197531, 135791113151715131197531, 13579111315171715131197531]

cp's OEIS Frontend

A287295 a(2n-1) is concatenation of sequence (1,3,..,2n-3,2n-1,2n-3,..3,1) and a(2n) is concatenation of sequence (1,3,..,2n-3,2n-1,2n-1,2n-3,..3,1).

Table of values

List of values