Sum of the n-th row of A077339.

Terms

a(0) =1a(1) =22a(2) =64a(3) =127a(4) =211a(5) =316a(6) =442a(7) =589a(8) =757a(9) =946a(10) =1156a(11) =2467a(12) =3979a(13) =5692a(14) =7606a(15) =9721a(16) =12037a(17) =14554a(18) =17272a(19) =20191a(20) =23311a(21) =26632a(22) =30154a(23) =33877a(24) =37801a(25) =41926a(26) =46252a(27) =50779a(28) =55507a(29) =60436