Seventh right hand column of triangle A165674.

Terms

a(0) =13068a(1) =69264a(2) =241128a(3) =662640a(4) =1557660a(5) =3272688a(6) =6314664a(7) =11393808a(8) =19471500a(9) =31813200a(10) =50046408a(11) =76223664a(12) =112890588a(13) =163158960a(14) =230784840a(15) =320251728a(16) =436858764a(17) =586813968a(18) =777332520a(19) =1016740080a(20) =1314581148a(21) =1681732464