login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A254405 a(n) = floor(b(n)), where b(n) = b(n-1)^(5/2), b(1) = 2. 2
2, 5, 76, 50535, 574095583180, 249724133031150566792019567784, 31163862905284344117664280692583318559734023853854503847082621442686494830 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

FORMULA

a(n) = floor(2^((5/2)^(n-1))).

MATHEMATICA

Floor[RecurrenceTable[{a[1]==2, a[n]==a[n-1]^(5/2)}, a, {n, 1, 10}]]

Table[Floor[2^((5/2)^(n-1))], {n, 1, 10}]

CROSSREFS

Cf. A254406.

Sequence in context: A301993 A128297 A183291 * A216847 A102983 A038583

Adjacent sequences:  A254402 A254403 A254404 * A254406 A254407 A254408

KEYWORD

nonn,easy

AUTHOR

Vaclav Kotesovec, Jan 30 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 25 11:27 EDT 2020. Contains 334592 sequences. (Running on oeis4.)