A064274 - OEIS

A064274

Inverse of sequence A035513 considered as a permutation of the nonnegative integers.

0, 1, 2, 4, 3, 7, 6, 5, 11, 10, 9, 8, 15, 16, 21, 14, 13, 28, 12, 36, 20, 22, 45, 27, 19, 55, 18, 66, 35, 17, 78, 44, 26, 91, 29, 105, 54, 34, 120, 25, 136, 65, 24, 153, 77, 43, 171, 23, 190, 90, 53, 210, 33, 231, 104, 37, 253, 119, 64, 276, 42, 300, 135, 32

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..63.

Index entries for sequences that are permutations of the natural numbers

MAPLE

Digits := 30 : A035513 := proc(n, k) local tau ; tau := (sqrt(5)+1)/2 ; combinat[fibonacci](k+1)*floor(n*tau)+(n-1)*combinat[fibonacci](k) ; end: A035513flat := proc(N) local r, c, k, np, n ; n := 1 : k := 1 : for np from 2 to N do n := n+1 : k := k-1 : if k = 0 then k := n: n := 1: fi ; od ; A035513(n, k) ; end: a035513 := [] : a := -1 : nmax := 300 : for n from 1 to nmax do a035513 := [op(a035513), A035513flat(n)] : od : printf("0, ") ; n := 1: while true do if member(n, a035513, 'a') then printf("%d, ", a) ; else break ; fi ; n := n+1 : od: # R. J. Mathar, Jun 26 2007

CROSSREFS

Cf. A035513.

Sequence in context: A108228 A127008 A199535 * A035513 A343646 A191442

Adjacent sequences: A064271 A064272 A064273 * A064275 A064276 A064277

KEYWORD

easy,nonn

AUTHOR

Howard A. Landman, Sep 23 2001

EXTENSIONS

More terms from R. J. Mathar, Jun 26 2007

STATUS

approved