This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A035073 #13 Aug 25 2021 03:45:19 %S A035073 8,25,78,245,775,2450,7746,24495,77460,244949,774597,2449490,7745967, %T A035073 24494898,77459667,244948975,774596670,2449489743,7745966693, %U A035073 24494897428,77459666925,244948974279,774596669242,2449489742784,7745966692415,24494897427832,77459666924149 %N A035073 a(n) is root of square starting with digit 6: first term of runs. %F A035073 a(n) = ceiling(sqrt(6*10^n)), n > 0. %o A035073 (Python) %o A035073 from math import isqrt %o A035073 def a(n): return isqrt(6*10**n) + 1 %o A035073 print([a(n) for n in range(1, 28)]) # _Michael S. Branicky_, Aug 25 2021 %Y A035073 Subsequence of A045860. %Y A035073 Cf. A067576 (squares), A035076 (2..9). %K A035073 nonn,base %O A035073 1,1 %A A035073 _Patrick De Geest_, Nov 15 1998