A175913 - cp's OEIS frontend

A175913 Convert to decimal the number resulting from performing binary xnor on the corresponding digits in the left and right binary concatenations of the integers one to n.

n	a(n)
1	1
2	4
3	25
4	190
5	1159
6	15692
7	111381
8	1416474
9	24608235
10	291074808
11	5162763209
12	125052555486
13	2198977618351
14	28389504497340
15	487294161504141
16	11589641752262546
17	395151697837143155
18	13197172619557324880

[1, 4, 25, 190, 1159, 15692, 111381, 1416474, 24608235, 291074808, 5162763209, 125052555486, 2198977618351, 28389504497340, 487294161504141, 11589641752262546, 395151697837143155, 13197172619557324880]

cp's OEIS Frontend

A175913 Convert to decimal the number resulting from performing binary xnor on the corresponding digits in the left and right binary concatenations of the integers one to n.

Table of values

List of values