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A001391 To get the 3rd term, for example, note that 2nd term has three (11 in binary!) 1's and one (1) 0, giving 11 1 1 0. 3
10, 1110, 11110, 100110, 1110010110, 111100111010110, 100110011110111010110, 1110010110010011011110111010110, 1111001110101100111001011010011011110111010110 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

John Cerkan, Table of n, a(n) for n = 1..17

CROSSREFS

Cf. A001387.

Sequence in context: A210995 A036058 A001155 * A049064 A267246 A266589

Adjacent sequences:  A001388 A001389 A001390 * A001392 A001393 A001394

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Thomas L. York

STATUS

approved

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Last modified October 20 14:30 EDT 2018. Contains 316382 sequences. (Running on oeis4.)