66177

Appears in sequences

• Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,1.at n=5A037517
• A class of Boolean functions of n variables and rank 4.at n=7A051360
• 10-gonal numbers for which the sum of the digits is also a 10-gonal number.at n=17A119547
• Fold a square sheet of paper alternately vertically to the left and horizontally downwards; after each fold, draw a line along each inward crease; after n folds, the resulting graph has a(n) regions with minimal area.at n=20A342763
• Number of equal-length matchings of 2n uniformly spaced points on a circle.at n=31A381194