A304722 Denominators of sign-alternating Egyptian fraction expansion for 1/e.

2, 7, 93, 62095, 4699899044, 1362649441404437841952, 4130413532696748407987517870209604665529390, 36989955466818654815296233286537259039977157978192273501528892262212989509848377838825

Offset

0,1

Links

Table of n, a(n) for n=0..7.

Example

a(0) = 2 because 1/e is between 1/2 and 1/3 and 1/2 > 1/e, i.e., floor(1/(1/e)) = 2, and
a(1) = 7 because floor(1/(1/a(0) - 1/e)).

Crossrefs

Cf. A006526, A006525.

Sequence in context: A123995 A350754 A224439 * A056161 A076740 A112290

Adjacent sequences: A304719 A304720 A304721 * A304723 A304724 A304725

Keyword

nonn,frac,easy

Author

Greg Huber, May 17 2018

Status

approved