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 A034979 Smallest square starting with a string of n 1's. 2
 1, 1156, 111556, 11115556, 111112681, 111111555556, 11111115555556, 1111111155555556, 111111111555555556, 11111111115555555556, 111111111113333185156, 11111111111122500004921, 11111111111115555555555556, 111111111111119590793871025, 11111111111111115805344390916, 11111111111111115805344390916, 111111111111111115889741773581604, 11111111111111111167337156002376484, 11111111111111111115555555555555555556, 1111111111111111111155555555555555555556 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Robert Israel, Table of n, a(n) for n = 1..498 FORMULA a(n) <= A102807(n). - Robert Israel, May 31 2023 MAPLE f:= proc(n) local x, k, s; x:= (10^n-1)/9; for k from 0 do s:= ceil(sqrt(10^k*x))^2; if s < (x+1)*10^k then return s fi od end proc: map(f, [\$1..20]); # Robert Israel, May 31 2023 CROSSREFS Cf. A034978, A102807. Sequence in context: A225938 A221813 A232004 * A189279 A264271 A264089 Adjacent sequences: A034976 A034977 A034978 * A034980 A034981 A034982 KEYWORD nonn,base AUTHOR Patrick De Geest, Nov 15 1998 EXTENSIONS More terms from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 23 2001 STATUS approved

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Last modified September 29 16:58 EDT 2023. Contains 365773 sequences. (Running on oeis4.)