449389

Appears in sequences

• a(2*n) = floor( 17*2^n/14 ), a(2*n+1) = floor( 12*2^n/7 ).at n=37A003143
• Base-2 digits are, in order, the first n terms of the periodic sequence with initial period [1,1,0].at n=19A033129
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3.at n=9A037604
• a(n) = a(n-1) + 2^(A007494(n-1)).at n=12A113835
• a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=20A122552
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (1, -1, -1), (1, 0, 0), (1, 1, 1)}.at n=10A150356
• Numbers having in binary representation exactly two ones in three consecutive digits.at n=34A173593
• (a(n-2) XOR a(n-1)) OR (highest bit of a(n-2))*2 OR 1; a(0)=2, a(1)=3.at n=35A334041
• Numbers that generate rotationally symmetrical XOR-triangles featuring singleton zero bits in a hexagonal arrangement.at n=12A334930
• Fixed points of A378299.at n=7A380001