Coefficient of q^n in (1-q)^4/(1-4q); dimensions of the enveloping algebra of the derived free Lie algebra on 4 letters.
A118265
Coefficient of q^n in (1-q)^4/(1-4q); dimensions of the enveloping algebra of the derived free Lie algebra on 4 letters.
Terms
- a(0) =1a(1) =0a(2) =6a(3) =20a(4) =81a(5) =324a(6) =1296a(7) =5184a(8) =20736a(9) =82944a(10) =331776a(11) =1327104a(12) =5308416a(13) =21233664a(14) =84934656a(15) =339738624a(16) =1358954496a(17) =5435817984a(18) =21743271936a(19) =86973087744a(20) =347892350976
External references
- oeis: A118265