748982
domain: N
Appears in sequences
- Base-2 digits of a(n) are, in order, the first n terms of the periodic sequence with initial period 1,0,1.at n=19A033120
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1.at n=9A037639
- Numbers having in binary representation exactly two ones in three consecutive digits.at n=35A173593
- a(n) = a(n-1) + a(n-2) + 2*a(n-3) with a(0) = 3, a(1) = 0, a(2) = 2.at n=20A341905