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!)
A245705 Permutation of natural numbers: a(n) = A245607(A245708(n)). 7
1, 2, 3, 4, 5, 6, 9, 8, 13, 10, 7, 12, 37, 18, 19, 16, 69, 26, 17, 20, 33, 14, 277, 24, 213, 74, 11, 36, 73, 38, 71, 32, 45, 138, 25, 52, 1109, 34, 457, 40, 173, 66, 43, 28, 549, 554, 3351, 48, 77, 426, 21, 148, 53, 22, 135, 72, 125, 146, 651, 76, 273, 142, 55, 64 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The even bisection halved gives the sequence back. The odd bisection incremented by one and halved gives A245711.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10001

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = A245607(A245708(n)).

PROG

(PARI)

A245705(n) = A245607(A245708(n));

for(n=1, 10001, write("b245705.txt", n, " ", A245705(n)));

\\ Other code as in A245607 and A245708.

(Scheme) (define (A245705 n) (A245607 (A245708 n)))

CROSSREFS

Inverse: A245706.

Fixed points: A245709.

Cf. A245607, A245708, A245605, A245711.

Sequence in context: A005941 A269857 A269847 * A075164 A240827 A023841

Adjacent sequences:  A245702 A245703 A245704 * A245706 A245707 A245708

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jul 30 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 October 31 13:03 EDT 2020. Contains 338101 sequences. (Running on oeis4.)