347480

Appears in sequences

• Base-3 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,2.at n=11A037544
• Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their complement, but not equivalent to their reverse and their reversed complement.at n=24A045686
• Binomial transform of [1, 7, 17, 17, 6, 0, 0, 0, ...].at n=33A132117