(39G) OEIS A027868: Trailing Zeros of a Factorial

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(39G) OEIS A027868: Trailing Zeros of a Factorial - Gerald H - Today 12:53 PM

The programme inserts symbolics in the Sequence App to produce the series

https://oeis.org/A027868

Code:
RECURSE(U,IFTE(N>4,U2(N)+U1(U2(N)),0),0,0)►U1(N):
CHECK 1:
RECURSE(U,INT(N/5),0,0)►U2(N):