Numerator of harmonic mean of 3 consecutive primes. Denominators are A331260.

Terms

a(0) =90a(1) =315a(2) =1155a(3) =3003a(4) =7293a(5) =12597a(6) =22287a(7) =38019a(8) =62031a(9) =99789a(10) =141081a(11) =195693a(12) =248583a(13) =321339a(14) =146969a(15) =572241a(16) =723399a(17) =870531a(18) =1041783a(19) =1228371a(20) =1435983a(21) =1750719a(22) =2149617a(23) =2615799a(24) =3027273a(25) =3339363a(26) =3603867a(27) =3953757a(28) =4692777a(29) =5639943