I recently learned this was originally a book! https://www.amazon.com/Encyclopedia-Integer-Sequences-N-Sloane/dp/0125586302 https://www.amazon.com/Encyclopedia-

I recently learned this was originally a book! https://www.amazon.com/Encyclopedia-Integer-Sequences-N-Sloane/dp/0125586302 https://www.amazon.com/Encyclopedia-Integer-Sequences-N-Sloa... also, the author, Neal Sloane is a regular on the youtube channel Numberphile, which always has fun patterns to discuss