A131494 Values of n such that e^n starts with the digits n.

5825, 561220, 7755606, 2888937688, 6264901444, 23619873712, 571269301377, 713764980661, 869172568999, 5532978040527, 7642834168124, 203889078936944, 40287674650484416, 243168646125929188, 940265659937347772

Offset: 1

Author

Randy L. Ekl, Aug 12 2007

Keywords

• more
• nonn
• base

Examples

			561220 is a term of this sequence because e^561220 = 561220.7799... * 10^243729, which starts with 561220.
		

Crossrefs

Cf. A100129

Programs

PARI

e=exp(1);s=1;for(i=1,10000000,s=s*e; if(s-i>11,s=s/10,); if(floor(s)==i,printp1(i,", "),))

Extensions

a(4)-a(15) from Max Alekseyev, Sep 12 2013