Triangle of number of interval-closed sets T(m,n) in the product of two chains [m]x[n], for m <= n, read by rows.
A367109
Triangle of number of interval-closed sets T(m,n) in the product of two chains [m]x[n], for m <= n, read by rows.
Terms
- a(0) =2a(1) =4a(2) =13a(3) =7a(4) =33a(5) =114a(6) =11a(7) =71a(8) =321a(9) =1146a(10) =16a(11) =136a(12) =781a(13) =3449a(14) =12578a(15) =22a(16) =239a(17) =1702a(18) =9115a(19) =39614a(20) =146581a(21) =29a(22) =393a(23) =3403a(24) =21743a(25) =111063a(26) =477097a(27) =1784114a(28) =37a(29) =613
External references
- oeis: A367109