login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A239673 Record values in A239656 (the first differences of sphenic numbers). 4
12, 24, 27, 28, 33, 35, 43, 44, 46, 48, 50 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A239656(A239674(n)).

LINKS

Table of n, a(n) for n=1..11.

PROG

(Haskell)

a239673 n = a239673_list !! (n-1)

(a239673_list, a239674_list) = unzip $ (12, 1) : f 1 12 a239656_list where

   f i v (q:qs) | q > v = (q, i) : f (i + 1) q qs

                | otherwise = f (i + 1) v qs

-- Reinhard Zumkeller, Mar 23 2014

CROSSREFS

Cf. A007304, A215231, A005250.

Sequence in context: A119588 A167994 A065303 * A208158 A108902 A126935

Adjacent sequences:  A239670 A239671 A239672 * A239674 A239675 A239676

KEYWORD

nonn,more

AUTHOR

Reinhard Zumkeller, Mar 23 2014

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 August 21 05:32 EDT 2019. Contains 326162 sequences. (Running on oeis4.)