33710

Appears in sequences

• Base-9 palindromes that start with 5.at n=31A043032
• Minimal (positive) solution a(n) of Pell equation a(n)^2 - D(n)*b(n)^2 = +4 with D(n)= A077425(n). The companion sequence is b(n)=A078355(n).at n=26A077428
• Minimal positive solution a(n) of Pell equation a(n)^2 - D(n)*b(n)^2 = +4 or -4 with D(n)=A077425(n). The companion sequence is b(n)=A077058(n).at n=26A078361
• Maximal length of rook tour on an n X n+2 board.at n=35A152133
• Number of 0..7 arrays of length n with each element differing from at least one neighbor by 1 or less, starting with 0.at n=7A221682
• Expansion of g/(1 - x*g^2)^3, where g = 1+x*g^4 is the g.f. of A002293.at n=6A391198