112511

Appears in sequences

• a(n) = a(n-1) + a(n-2) + a(n-3); a(0) = -1, a(1) = 2, a(2) = 2.at n=20A100683
• Vertically symmetrical dates MMDDYY ("condensed American notation") considered as numbers, in increasing order.at n=3A107274
• Composites in A127345.at n=26A127347
• Number of n X 2 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=10A278151
• List of connected graphs that are squares, encoded as in A076184.at n=28A382194