A181382 The (10^n)-th lucky number.

1, 33, 613, 8809, 115591, 1429431, 16990171, 196502733, 2228124073, 24887020821

Offset

0,2

Links

Table of n, a(n) for n=0..9.

Mathematica

t = 2 Range@8500000 - 1; f[n_] := Block[{k = t[[n]]}, t = Delete[t, Table[{k}, {k, k, Length@t, k}]]]; Do[f@n, {n, 2, 100000}]; Table[ t[[10^n]], {n, 0, 6}]

Prog

(Perl) use ntheory ":all"; say "$_ ", nth_lucky(10**$_) for 0..8; # Dana Jacobsen, Dec 21 2018

Crossrefs

Cf. A000959.

Sequence in context: A172362 A080597 A076684 * A252926 A225970 A004328

Adjacent sequences: A181379 A181380 A181381 * A181383 A181384 A181385

Keyword

hard,nonn

Author

Robert G. Wilson v, Oct 16 2010

Extensions

a(7) from Donovan Johnson, Oct 16 2010

a(8)-a(9) from Dana Jacobsen, Dec 21 2018

Status

approved