1840700269

Appears in sequences

• Base-2 digits are, in order, the first n terms of the periodic sequence with initial period [1,1,0].at n=31A033129
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3.at n=15A037604
• a(n) = a(n-1) + 2^(A007494(n-1)).at n=20A113835
• a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=32A122552
• Numbers that generate rotationally symmetrical XOR-triangles featuring singleton zero bits in a hexagonal arrangement.at n=20A334930
• Fixed points of A378299.at n=11A380001