login
A023958
n-th digit in the decimal expansion of the n-th root of n.
1
1, 4, 4, 4, 7, 0, 9, 5, 0, 1, 9, 7, 0, 4, 3, 1, 7, 2, 4, 8, 9, 4, 4, 2, 3, 3, 0, 0, 5, 0, 8, 6, 0, 7, 9, 1, 4, 7, 7, 5, 6, 0, 3, 8, 4, 6, 5, 9, 4, 7, 0, 8, 8, 6, 4, 5, 4, 8, 0, 1, 9, 7, 9, 3, 4, 7, 0, 7, 5, 7, 6, 6, 4, 5, 2, 0, 2, 0, 2, 8, 6, 4, 7, 2, 9, 7, 5, 9, 2, 1, 0, 5, 0, 4, 0, 5, 3, 0, 9, 6, 9, 5
OFFSET
1,2
LINKS
MAPLE
a:= proc(n) Digits:= 20+n;
parse(convert(evalf(root(n, n)/10), string)[n+1])
end:
seq(a(n), n=1..120); # Alois P. Heinz, Nov 19 2015
MATHEMATICA
Array[ Function[ n, RealDigits[ N[ Power[ n, 1/n ], n+6 ] ]// (#[ [ 1, n ] ])& ], 110 ]
CROSSREFS
Sequence in context: A171743 A295641 A171815 * A137751 A244481 A211638
KEYWORD
nonn,base
STATUS
approved