OFFSET
5,1
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 5..740
FORMULA
Recurrence: (n-6)*(n-5)*(n-4)*(29502900*n^5 - 638835615*n^4 + 5313614190*n^3 - 21144479540*n^2 + 40005200008*n - 28551437376)*a(n) = 48*(n-6)*(531052200*n^7 - 11764567170*n^6 + 101977544025*n^5 - 438480135000*n^4 + 970011352524*n^3 - 1010121211456*n^2 + 327724902720*n + 69389516800)*a(n-2) - 20736*(n-2)*(3*n - 10)*(3*n - 8)*(29502900*n^5 - 343806615*n^4 + 1383045270*n^3 - 2234617160*n^2 + 1108144448*n + 112680960)*a(n-4).
a(n) ~ 5 * 7^2 * 3^(3*n/2-3) * 2^(2*n-15) * n^5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Feb 27 2016
STATUS
approved