click to show generating function Search the OEIS for these generating functions Search the Online Encyclopedia of Integer Sequences for the coefficients of a few of the first generating functions, in the case at hand: 1,1 1,2,2 1,3,5,4,2 1,4,9,12,12,8,6 1,5,14,25,34,36,36,28,18,6 1,6,20,44,74,100,122,132,132,108,78,36,24
QTQI6A QTQI6B QTQI6C QTQI6D QTQI6E QTQI6F QTQI6G QTQI6H QTQI6I QTQI6J QTQI6K QTQI6L QTQI6M QTQI6N QTQI6O QTQI6P QTQI6Q QTQI6R QTQI6S QTQI6T QTQI6U QTQI6V QTQI6W QTQI6X QTQI6Y QTQI6Z QTQI60 QTQI61 QTQI62 QTQI63 QTQI64 QTQI65 QTQI66 QTQI67 QTQI68 QTQI69