%I #11 Oct 02 2018 04:59:37
%S 1,1,1,1,1,1,1,1,1,1,1,2,4,8,16,32,64,128,256,512,1024,3072,9216,
%T 27648,82944,248832,746496,2239488,6718464,20155392,60466176,
%U 241864704,967458816,3869835264,15479341056,61917364224,247669456896,990677827584,3962711310336
%N Number of permutations p of [n] such that p(i)-i is a multiple of ten for all i in [n].
%H Alois P. Heinz, <a href="/A275065/b275065.txt">Table of n, a(n) for n = 0..699</a>
%F a(n) = Product_{i=0..9} floor((n+i)/10)!.
%F a(n) = ((m+1)!)^10/(m+1)^(10-k) where m=floor(n/10)=A059995(n) and k=n mod 10 =A010879(n). - _Robert Israel_, Jul 26 2016
%F a(n) ~ (2*Pi*n)^(9/2) * n! / 10^(n + 5). - _Vaclav Kotesovec_, Oct 02 2018
%p f:= n -> mul(floor((n+i)/10)!,i=0..9):
%p map(f, [$0..30]); # _Robert Israel_, Jul 26 2016
%t Table[Product[Floor[(n + i)/10]!, {i, 0, 9}], {n, 0, 40}] (* _Vaclav Kotesovec_, Oct 02 2018 *)
%Y Column k=10 of A275062.
%Y Cf. A010879, A059995.
%K nonn
%O 0,12
%A _Alois P. Heinz_, Jul 15 2016
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