Number of 1X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.
A223310
Number of 1X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.
Terms
- a(0) =3a(1) =9a(2) =36a(3) =102a(4) =343a(5) =996a(6) =3159a(7) =9237a(8) =28755a(9) =84570a(10) =260442a(11) =769023a(12) =2353687a(13) =6969738a(14) =21244302a(15) =63039522a(16) =191601206a(17) =569452122a(18) =1727158776a(19) =5139583854a(20) =15563717515a(21) =46359362664a(22) =140211940350a(23) =417981796023
External references
- oeis: A223310