Square array, read by rows. For n,d >= 0, a(n,d) is the number of congruences of the d-twisted partition monoid of degree n.

A340914

Square array, read by rows. For n,d >= 0, a(n,d) is the number of congruences of the d-twisted partition monoid of degree n.

Terms

    a(0) =2a(1) =3a(2) =3a(3) =9a(4) =7a(5) =4a(6) =12a(7) =43a(8) =14a(9) =5a(10) =16a(11) =76a(12) =136a(13) =24a(14) =6a(15) =19a(16) =134a(17) =329a(18) =334a(19) =37a(20) =7a(21) =22a(22) =188a(23) =773a(24) =1105a(25) =696a(26) =53a(27) =8a(28) =25a(29) =251

External references