2223002

Appears in sequences

• Fibonacci numbers written in base 4.at n=21A004687
• tan(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4+382/6!*x^6+23352/8!*x^8...at n=5A009706
• Duplicate of A009706.at n=4A012547