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 A035070 a(n) is root of square starting with digit 3: first term of runs. 3
 6, 18, 55, 174, 548, 1733, 5478, 17321, 54773, 173206, 547723, 1732051, 5477226, 17320509, 54772256, 173205081, 547722558, 1732050808, 5477225576, 17320508076, 54772255751, 173205080757, 547722557506, 1732050807569, 5477225575052, 17320508075689, 54772255750517 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Michael S. Branicky, Table of n, a(n) for n = 1..1999 FORMULA a(n) = ceiling(sqrt(3*10^n)). MATHEMATICA Table[Ceiling @ Sqrt[3 * 10^n], {n, 1, 24}] (* Amiram Eldar, Oct 08 2019 *) PROG (Python) from math import isqrt def a(n): return isqrt(3*10**n) + 1 print([a(n) for n in range(1, 28)]) # Michael S. Branicky, Jun 18 2021 CROSSREFS Cf. A067473 (squares), A035076 (2..9). Sequence in context: A183913 A056349 A278768 * A075386 A056343 A363517 Adjacent sequences: A035067 A035068 A035069 * A035071 A035072 A035073 KEYWORD nonn,base AUTHOR Patrick De Geest, Nov 15 1998 EXTENSIONS Offset 1 from Alois P. Heinz, Oct 08 2019 STATUS approved

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Last modified June 22 08:18 EDT 2024. Contains 373567 sequences. (Running on oeis4.)