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A303573 a(n) = palindrome arising when A230891(n+1) is formed (if there is more than one, use the smallest). 2
101, 111, 101, 10001, 101101, 1010101, 1001001, 101101, 1010101, 10011001, 10011001, 10111101, 100111001, 100101001, 10111101, 10111101, 100111001, 1000110001, 1000110001, 1001111001, 1001111001, 1001111001, 1011111101, 1011111101, 10001110001, 10001010001 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Let A230891(n) = X, A230891(n+1) = Y. The binary digits of X and Y can be rearranged to form a base-2 palindrome, possibly in several ways; a(n) is the smallest such palindrome.

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..29999

Rémy Sigrist, PARI program for A303573

PROG

(PARI) See Links section.

CROSSREFS

Cf. A230891.

Sequence in context: A305396 A266717 A303571 * A050661 A282115 A116642

Adjacent sequences:  A303570 A303571 A303572 * A303574 A303575 A303576

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Apr 27 2018

EXTENSIONS

More terms from Rémy Sigrist, Dec 27 2018

STATUS

approved

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Last modified October 20 10:43 EDT 2021. Contains 348100 sequences. (Running on oeis4.)