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a(n) = (Sum_{k=1..n} C(n,k) mod k) mod n.
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%I #7 Feb 02 2017 02:28:46

%S 0,1,2,2,3,2,2,3,6,3,3,2,1,0,2,14,13,13,12,8,18,16,14,20,2,23,24,21,

%T 19,22,19,15,21,2,25,6,1,26,25,38,33,4,42,19,34,19,14,38,31,18,22,20,

%U 14,42,29,13,9,44,38,39,31,9,4,9,25,7,63,22,2,17,7,38,27,44,25

%N a(n) = (Sum_{k=1..n} C(n,k) mod k) mod n.

%H Michel Marcus, <a href="/A281908/b281908.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) = A076541(n) mod n.

%o (PARI) a(n) = sum(k=1, n, binomial(n, k) % k) % n;

%Y Cf. A076541, A081371, A280559.

%K nonn

%O 1,3

%A _Michel Marcus_, Feb 01 2017