A151527 Number of 2-sided strip polyrects with n cells.
1, 2, 3, 6, 12, 26, 57, 130, 297, 694, 1622, 3810, 8966, 21092, 49732, 116952, 275695, 647788, 1525610, 3581170, 8424478, 19757082, 46425561
Offset: 1
Links
- Ed Pegg, Jr., Illustrations of polyforms
- Eric Weisstein's World of Mathematics, Polyrect
Extensions
a(15)-a(23) from Joseph Myers, Nov 22 2010