Number of meaningful differential operations of the k-th order on the space R^11.

Terms

a(0) =11a(1) =21a(2) =40a(3) =77a(4) =148a(5) =286a(6) =552a(7) =1069a(8) =2068a(9) =4010a(10) =7768a(11) =15074a(12) =29225a(13) =56736a(14) =110055a(15) =213705a(16) =414676a(17) =805314a(18) =1562977a(19) =3035514a(20) =5892257a(21) =11443768a(22) =22215753a(23) =43146726a(24) =83766396a(25) =162686691a(26) =315860810a(27) =613439352a(28) =1191054193a(29) =2313133481