Plouffe's Inverter

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	Your input of 1.8134302039235 was probably generated by one
	the following functions or found in one of the given tables.
	Answers are given from shortest to longest description

Mixed constants with 4 operations
1813430203923509 = 1/ln(exp(1))*cosh(1)*sinh(1)

sum(Axxxxxx(n)/n!,n=1..inf) (and variations) from the On-line Enc. of Integer Sequences.
1813430203923509 = sum(A002747(n)/n!^2,n=1..inf)

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