OFFSET
0,3
COMMENTS
The set of the terms is the same as that of A238712.
LINKS
Georg Fischer, Table of n, a(n) for n = 0..10000, Jan 16 2019 (terms a(0..719585) initially submitted by Christopher D Chamness).
EXAMPLE
n = 13 has 2 digits in base 10, thus a(13) = 169 mod 100 = 69.
PROG
(Python)
i=1
while True:
m=i
j=i**2
l=0
while True:
m=m/10
l+=1
if m==0:
break
mod_num = 10**l
print j%mod_num
i+=1
(PARI) a(n) = n^2 % 10 ^ #digits(n) \\ David A. Corneth, Jun 30 2018
(Perl) my $mod = 10;
foreach my $i(0..10000) {
print "$i " . (($i * $i) % $mod) . "\n";
if (length($i + 1) > length($i)) { $mod *= 10; }
} # Georg Fischer, Jan 16 2019
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Christopher D Chamness, Jun 29 2018
STATUS
approved