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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
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OFFSET
1,1
LINKS
John Cerkan,
Table of n, a(n) for n = 1..17
CROSSREFS
Cf.
A001387
.
Sequence in context:
A325910
A036058
A001155
*
A049064
A267246
A355316
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 May 7 21:53 EDT 2024. Contains 372317 sequences. (Running on oeis4.)