Number of nX2 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.

A201426

Number of nX2 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.

Terms

    a(0) =3a(1) =11a(2) =13a(3) =76a(4) =160a(5) =111a(6) =560a(7) =955a(8) =539a(9) =2447a(10) =3717a(11) =1873a(12) =7920a(13) =11174a(14) =5237a(15) =21055a(16) =28217a(17) =12573a(18) =48685a(19) =62818a(20) =26965a(21) =101426a(22) =127110a(23) =53017a(24) =194865a(25) =238629a(26) =97285a(27) =350910a(28) =421718a(29) =168763

External references