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A072922 Spell English name for n, then interpret as number in base 36. 6

%I #11 Sep 13 2015 21:01:38

%S 1652100,31946,38760,49537526,732051,724298,36969,47723135,24375809,

%T 1097258,38111,882492287,1807948346,2310701170991,1242626638127,

%U 33766692143,62095095599,1165465079087,1137277763375,1842973464623

%N Spell English name for n, then interpret as number in base 36.

%C Base 36 extrapolates the use of the letters of the alphabet as placeholders, as in the more familiar base-16's A, B, C, D, E, F, all the way to Z.

%D M. J. Halm, Sequences (Re)discovered, Mpossibilities 81 (Aug. 2002).

%H Landon Curt Noll, <a href="http://www.isthe.com/chongo/tech/math/number/number.html">The English Name of a Number</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Number.html">Number</a>

%H Robert G. Wilson v, <a href="/A000027/a000027.txt">English names for the numbers from 0 to 11159 without spaces or hyphens </a>.

%H M. J. Halm, <a href="http://michaelhalm.tripod.com/jootsy.htm">Jootsy Calculus</a>.

%F In base 36 A = 10, B = 11, ..., Z = 35

%e a(0) = 1652100 because zero (base 36) = z(36^3) + e(36^2) + r(36) + o = 35(46656) + 14(1296) + 27(36) + 24 = 1632960 + 18144 + 972 + 24 = 1652100 (base 10).

%t lst = {zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, twentyone, twentytwo, twentythree, twentyfour, twentyfive, twentysix, twentyseven, twentyeight, twentynine, thirty, thirtyone, thirtytwo, thirtythree, thirtyfour, thirtyfive, thirtysix, thirtyseven, thirtyeight, thirtynine, forty, fortyone, fortytwo, fortythree, fortyfour, fortyfive, fortysix, fortyseven, fortyeight, fortynine, fifty};

%t f[ls_] := FromDigits[ToString@ls, 36]; f@# & /@ lst (* _Robert G. Wilson v_, Aug 26 2007 *)

%Y Cf. A038842.

%K word,base,nonn

%O 0,1

%A _Michael Joseph Halm_, Aug 19 2002

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