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%I #18 Jul 31 2021 13:25:44
%S 1575,173525,7089500,169229875,2841940500,37027355200,397125074750,
%T 3646072432125,29454549941750,213636919820625,1412749565173450,
%U 8620496275465025,49005643635237875,261578907351144125,1319510599727473500,6324621482504294325,28938037257084798150
%N a(n) = A000041(25*n + 24).
%H Seiichi Manyama, <a href="/A278559/b278559.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = A213260(5*n + 4) = A000041(25*n + 24).
%F a(n) = 5^2*63*A160460(n) + 5^5*52*A278555(n-1) + 5^7*63*A278556(n-2) + 5^10*6*A278557(n-3) + 5^12*A278558(n-4) for n >= 4.
%e a(4) = 5^2*63*A160460(4) + 5^5*52*A278555(3) + 5^7*63*A278556(2) + 5^10*6*A278557(1) + 5^12*A278558(0) = 771750 + 103512500 + 1028671875 + 1464843750 + 244140625 = 2841940500.
%Y Cf. A000041, A160460, A213260, A278555, A278556, A278557, A278558.
%K nonn
%O 0,1
%A _Seiichi Manyama_, Nov 23 2016
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