235180

Appears in sequences

• Starting positions of strings of four 4's in the decimal expansion of Pi.at n=16A083616
• 1-sequence of reduction of (2n) by x^2 -> x+1.at n=18A192306
• Rectangular array A read by upward antidiagonals in which the entry A(n,k) in row k and column n gives the number of families of symmetric radially generated monohedral tilings of the disk (each tiling contains 2*(2*n+1)*k congruent tiles), k >= 1, n >= 1.at n=29A273090
• Number of monohedral disk tilings of type C^t_{5,n}.at n=6A296362