a100000
SHA256+base64: Az1D05nHSLsC-y6M78k2du1GQJGJtNopQpbZWy4aZMQ
18039 bytes
Written by Hasegawa Sayuri who provided the informational URL http://sayuri.tx0.org/golfhorse/.
Ranked #2 of 3 verified entries in oeis.