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A059449 a(n)! begins with 2^n. 1
1, 2, 8, 14, 89, 164, 18, 266, 304, 292, 2522, 557, 26438, 27045, 57134, 21936 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

MATHEMATICA

Do[ a = 2^n; b = Floor[ N[ Log[ 10, a ] ] + 1 ]; k = 1; While[ c = Floor[ N[ Log[ 10, k! ] ] + 1 ]; a != (k! - Mod[ k!, 10^(c - b) ] )/10^(c - b), k++ ]; Print[ k ], {n, 0, 20} ]

CROSSREFS

Cf. A058885.

Sequence in context: A277649 A192777 A054981 * A272930 A140973 A065907

Adjacent sequences:  A059446 A059447 A059448 * A059450 A059451 A059452

KEYWORD

nonn,base

AUTHOR

Robert G. Wilson v, Feb 02 2001

STATUS

approved

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Last modified April 19 03:11 EDT 2019. Contains 322237 sequences. (Running on oeis4.)