234977domain: NPropertiesPrimalityPrimeyesAppears in sequencesLeast k such that first k terms of A022300 contain n more 1's than 2's.at n=22A022302Lesser of Twin prime numbers of the form : i^2+j^3, as sum of square and cube, if Greater Twin prime number also of the form : i^2+j^3, as sum of square and cube.at n=27A143799Prime numbersat n=20831