Sum of next n odd interprimes.

Terms

a(0) =9a(1) =36a(2) =153a(3) =378a(4) =805a(5) =1576a(6) =2733a(7) =3818a(8) =5857a(9) =8006a(10) =10537a(11) =14812a(12) =19389a(13) =23472a(14) =29757a(15) =36416a(16) =44067a(17) =52274a(18) =61307a(19) =71740a(20) =86195a(21) =104056a(22) =120463a(23) =138128a(24) =158209a(25) =181160a(26) =205973a(27) =229728a(28) =255013a(29) =281608