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%I #8 Apr 11 2021 01:31:35
%S 4,32,474,4550,38688,314160,5890500,47154384,627314688,4227938208,
%T 44474529792,471238898040,3384209127992,31609375538016,
%U 321468276096000,3397292023738536,63981878014882800,314159266666564480
%N Sum of divisors of floor(Pi*10^n), Pi=3.14...
%F a(n) = A000203(A011545(n)).
%e n=4: floor(Pi*10^4) = 31415 with divisors: {1, 5, 61, 103, 305, 515, 6283, 31415}: a(4) = 1 + 5 + 61 + 103 + 305 + 515 + 6283 + 31415 = 38688.
%Y Cf. A000203, A011545, A089284, A089286, A089287, A000796.
%K nonn
%O 0,1
%A _Reinhard Zumkeller_, Oct 30 2003