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 A038506 Floor of decimal expansion of n read as if it were "base e". 1
 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 19, 20, 21, 22, 23, 24, 25, 26 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Define e-basing of a decimal number as f(a) = a, f(ab) = Floor[a*e + b], f(abc) = Floor[ a*e^2 +b*e + c], etc. and generalize, where a,b,c are the digits. e =2.71828182845904523536028747135266... LINKS Table of n, a(n) for n=1..77. EXAMPLE a(135) = floor(1*e^2 + 3*e + 5) = floor(20.543901584307785933311289874633) = 20. CROSSREFS Sequence in context: A244158 A322001 A081594 * A091047 A068505 A080719 Adjacent sequences: A038503 A038504 A038505 * A038507 A038508 A038509 KEYWORD base,nonn AUTHOR Amarnath Murthy, Nov 14 2002 EXTENSIONS More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 23 2003 STATUS approved

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Last modified December 8 13:09 EST 2023. Contains 367679 sequences. (Running on oeis4.)