A066391 a(n)^3 is smallest cube that contains exactly n consecutive internal 0's and no other 0's.

1, 16, 63, 126, 2772, 46416, 401922, 241723, 21544131, 41212853, 2910219048, 149105337881

Offset

0,2

Links

Table of n, a(n) for n=0..11.

Example

16^3 = 4096, 63^3 = 250047, 126^3 = 2000376, 2772^3 = 21300003648, ....

Crossrefs

The cubes are in A066390.

Sequence in context: A214524 A118254 A356249 * A022289 A143860 A100176

Adjacent sequences: A066388 A066389 A066390 * A066392 A066393 A066394

Keyword

nonn,base,less,more

Author

Robert G. Wilson v, Dec 23 2001

Extensions

Title clarified, a(7) corrected and a(8)-a(10) from Sean A. Irvine, Oct 11 2023

a(11) from Michael S. Branicky, Nov 15 2023

Status

approved