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A072922 Spell English name for n, then interpret as number in base 36. 3
1652100, 31946, 38760, 49537526, 732051, 724298, 36969, 47723135, 24375809, 1097258, 38111, 882492287, 1807948346, 2310701170991, 1242626638127, 33766692143, 62095095599, 1165465079087, 1137277763375, 1842973464623 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

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

REFERENCES

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

LINKS

Landon Curt Noll, The English Name of a Number

Eric Weisstein's World of Mathematics, Number

Robert G. Wilson v, English names for the numbers from 0 to 11159 without spaces or hyphens .

M. J. Halm, Jootsy Calculus.

FORMULA

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

EXAMPLE

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)

MATHEMATICA

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};

f[ls_] := FromDigits[ToString@ls, 36]; f@# & /@ lst (* Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 26 2007 *)

CROSSREFS

Cf. A038842.

Sequence in context: A015377 A205985 A144127 * A204762 A061127 A183798

Adjacent sequences:  A072919 A072920 A072921 * A072923 A072924 A072925

KEYWORD

word,base,nonn

AUTHOR

Michael Joseph Halm (hierogamous(AT)lycos.com), Aug 19 2002

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Last modified February 14 14:07 EST 2012. Contains 205623 sequences.