1,1

a(n) = floor(A000040(n)/A018252(n)).

a(1) = [2/1] = 2.

a(2) = [3/4] = [0.75] = 0.

a(5) = [11/9] = [1.22222222] = 1.

a(16) = [53/25] = [2.12] = 2.

a(37) = [157/52] = [3.01923077] = 3.

Cf. A000040, A018252.

Sequence in context: A143078 A106405 A089310 this_sequence A147693 A070936 A014081

Adjacent sequences: A129750 A129751 A129752 this_sequence A129754 A129755 A129756

easy,nonn

Jonathan Vos Post (jvospost3(AT)gmail.com), Jun 02 2007