id:A100332 - OEIS Search Results

Search: id:A100332

Displaying 1-1 of 1 results found.

page 1

a(n) is the smallest positive integer for which the decimal places of exp(a(n)) begin with n.

+0
2

11, 14, 2, 5, 4, 7, 1, 24, 8, 363, 61, 140, 18, 11, 56, 281, 204, 81, 391, 505, 154, 36, 173, 23, 98, 63, 181, 14, 139, 37, 60, 82, 153, 593, 54, 315, 15, 2, 13, 20, 5, 6, 67, 297, 50, 10, 28, 21, 118, 115, 172, 16, 487, 272, 55, 93, 258, 249, 4, 99, 87, 282, 7, 73, 134, 242 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=11 because exp(11)=59874.1... and no other 1<= k < 11 gives (exp(k)) whose decimal places start with 1;` `a(2)=14 because exp(14)=1202604.2...;` `a(7)=1 because exp(1)=2.7...;`
	CROSSREFS	`Cf. A100322 for analogous sequence for Pi.` `Sequence in context: A073765 A096074 A068837 this_sequence A083124 A132991 A005788` `Adjacent sequences: A100329 A100330 A100331 this_sequence A100333 A100334 A100335`
	KEYWORD	`base,nonn`
	AUTHOR	`Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 17 2004`

page 1

Search completed in 0.002 seconds

Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research