A057766 Total area of all n-celled polyominoes.
1, 2, 6, 20, 60, 210, 756, 2952, 11565, 46550, 187803, 763200, 3101683, 12627594, 51398640, 209268080, 851834453, 3467196936, 14109860408, 57413439000, 233584274238, 950220869136, 3865081177744, 15719992809672, 63930676119100
Offset: 1
Keywords
Links
- John Mason, Table of n, a(n) for n = 1..50
- Andrew Clarke, Isoperimetrical Polyominoes [Link updated by _William Rex Marshall_, Dec 16 2009]
Formula
a(n) = n*A000105(n).
Extensions
More terms from David Wasserman, Oct 26 2003