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A245711 Permutation of natural numbers, odd bisection of A245705 incremented by one and halved: a(n) = (1+A245705((2*n)-1)) / 2. 3
1, 2, 3, 5, 7, 4, 19, 10, 35, 9, 17, 139, 107, 6, 37, 36, 23, 13, 555, 229, 87, 22, 275, 1676, 39, 11, 27, 68, 63, 326, 137, 28, 4435, 18, 53, 147, 25, 8, 6819, 9388, 995, 16, 155, 73, 3659, 14, 533, 838, 145, 20, 49, 851, 29, 587, 535, 403, 4179, 26, 501, 1059, 1611, 1163, 69, 152, 663, 51, 283, 222, 181, 21 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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) = (1+A245705((2*n)-1)) / 2.

PROG

(PARI)

A245711(n) = (1+A245705((2*n)-1))/2;

for(n=1, 10001, write("b245711.txt", n, " ", A245711(n)));

\\ For the rest of code, see under A245705.

(Scheme) (define (A245711 n) (/ (+ 1 (A245705 (+ n n -1))) 2))

CROSSREFS

Inverse: A245712.

Cf. A245705, A245605.

Sequence in context: A080164 A336816 A182949 * A246258 A126048 A142349

Adjacent sequences:  A245708 A245709 A245710 * A245712 A245713 A245714

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jul 30 2014

STATUS

approved

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Last modified January 22 07:31 EST 2022. Contains 350481 sequences. (Running on oeis4.)