OFFSET
1,1
COMMENTS
The sequence would be a permutation of the naturals if each of the digits 0,1,..,9 occur infinitely often in the decimal expansion of Pi. "Inverse": A065254
LINKS
MATHEMATICA
terms = 100; Clear[cnt]; cnt[_] = n = 0;
Do[a[++n] = 10 (++cnt[k] - 1) + k, {k, RealDigits[Pi, 10, terms][[1]]}];
a /@ Range[terms] (* Jean-François Alcover, Nov 15 2019 *)
PROG
(Haskell)
a065253 n = a065253_list !! (n-1)
a065253_list = zipWith (+)
(map ((* 10) . (subtract 1)) a064823_list) a000796_list
-- Reinhard Zumkeller, Jul 14 2013
CROSSREFS
KEYWORD
base,nice,nonn
AUTHOR
Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Oct 26 2001
STATUS
approved