A323614 List of 7-powerful numbers (for the definition of k-powerful see A323395).

144, 192, 208, 224, 240, 256, 272, 288, 304, 320, 336, 352, 368, 384, 400, 416, 432, 448, 464, 480, 496, 512, 528, 544, 560, 576, 592, 608, 624, 640, 656, 672, 688, 704, 720, 736, 752, 768, 784, 800, 816, 832, 848, 864, 880, 896, 912, 928, 944, 960

Offset

1,1

Comments

The sequence consists of the multiples of 16 that are greater than or equal to 192, together with 144. The result is due to S. Golan, R. Pratt, and S. Wagon, who used integer-linear programming to find powerful sets.

References

S. Golan, R. Pratt, S. Wagon, Equipowerful numbers, to appear

Links

Table of n, a(n) for n=1..50.

Stan Wagon, Overview table

Mathematica

Join[{144}, Range[192, 1000, 16]] (* Harvey P. Dale, Nov 27 2021 *)

Crossrefs

Sequence in context: A156316 A387882 A386302 * A245214 A257412 A165076

Adjacent sequences: A323611 A323612 A323613 * A323615 A323616 A323617

Keyword

nonn

Author

Stan Wagon, Jan 20 2019

Status

approved