47404

Appears in sequences

• A014486-indices of symmetric binary trees.at n=24A083940
• Row sums of triangle A092683, in which the convolution of each row with {1,1} produces a triangle that, when flattened, equals the flattened form of A092683.at n=14A092685
• Number of necklace compositions of n with no part circularly followed by a divisor or a multiple.at n=39A328601
• Expansion of e.g.f. 1 / (3 - 2 * exp(x))^2.at n=5A367470