%I #20 Jul 28 2020 04:33:13

%S 1,1,1,-9,-1,9,9,-1,-9,1,9,-9,-9,1,1,-1,-1,3,3,-7,-3,3,3,-1,-1,3,3,-3,

%T -7,9,1,-9,-1,3,9,-9,-9,7,1,-3,-3,3,7,-3,-3,1,7,-9,-9,1,7,-3,-7,9,1,

%U -9,-1,9,1,-9,-9,1,1,-1,-9,7,1,-9,-7,1,1,-1,-1,3,9

%N a(n) is the integer remainder of A001163(n) divided by 10.

%p seq(irem(A001163(n), 10), n=0..74); # _Peter Luschny_, Jul 28 2020

%Y Cf. A001163.

%K sign,easy,less

%O 0,4

%A _Paul Curtz_, Jan 05 2009

%E Edited by _N. J. A. Sloane_, Jan 06 2009

%E More terms from _Arkadiusz Wesolowski_, Jan 18 2012