A254339 Final digits of A254143 in decimal representation.

1, 4, 7, 6, 8, 4, 7, 9, 7, 6, 8, 8, 9, 8, 4, 7, 7, 9, 7, 6, 8, 6, 8, 9, 8, 8, 8, 9, 9, 9, 8, 4, 7, 7, 7, 9, 9, 7, 6, 8, 8, 9, 8, 6, 8, 8, 9, 8, 8, 9, 8, 8, 9, 9, 9, 9, 9, 8, 4, 7, 7, 7, 7, 9, 9, 7, 6, 8, 6, 8, 9, 8, 8, 8, 9, 9, 9, 8, 6, 8, 8, 8, 9, 9, 8, 8

Offset: 1

Author

Reinhard Zumkeller, Feb 23 2015

Keywords

• nonn
• base

Comments

a(n) = A254143(n) mod 10;

also final digits of A254323: a(n) = A254323(n) mod 10.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
• Index entries for sequences related to final digits of numbers

Crossrefs

Cf. A254143, A254323, A010879, A254398, A254338.

Programs

Haskell

a254339 = flip mod 10 . a254143

PARI

listA237424(lim)=my(v=List(),a,t); while(1, for(b=0,a, t=(10^a+10^b+1)/3; if(t>lim, return(Set(v))); listput(v, t)); a++)
do(lim)=my(v=List(),u=listA237424(lim),t); for(i=1,#u, for(j=1,i, t=u[i]*u[j]; if(t>lim,break); listput(v,t))); apply(n->n%10, Set(v)) \\ Charles R Greathouse IV, May 13 2015