A062018 a(n) = n^n written backwards.

1, 4, 72, 652, 5213, 65664, 345328, 61277761, 984024783, 1, 116076113582, 6528440016198, 352295601578203, 61085552860021111, 573958083098398734, 61615590737044764481, 771467633688162042728, 42457573569257080464393

Offset

1,2

Links

Harry J. Smith, Table of n, a(n) for n = 1..200

Example

a(5) = 5213, as 5^5 = 3125.

Maple

with(numtheory):for n from 1 to 50 do a := convert(n^n, base, 10):b := add(10^(nops(a)- i)*a[i], i=1..nops(a)):printf(`%d, `, b); od:

Mathematica

Table[IntegerReverse[n^n], {n, 20}] (* Harvey P. Dale, Jul 31 2022 *)

Prog

(PARI) { for (n=1, 200, x=n^n; r=0; while (x>0, d=x-10*(x\10); x\=10; r=r*10 + d); write("b062018.txt", n, " ", r) ) } \\ Harry J. Smith, Jul 29 2009

Crossrefs

Cf. A004086, A004093, A004156, A034906, A004094, A004167, A002108, A002118, A002138, A002140, A002232, A002239, A002241, A002942, A004165, A004087, A004091, A004096, A004098, A004150, A004153.

Sequence in context: A192826 A190398 A003752 * A192830 A119580 A209539

Adjacent sequences: A062015 A062016 A062017 * A062019 A062020 A062021

Keyword

nonn,base,easy

Author

Amarnath Murthy, Jun 01 2001

Extensions

More terms from Jason Earls and Vladeta Jovovic, Jun 01 2001

Status

approved