Prime numbers of measurement.

Terms

a(0) =1a(1) =3a(2) =7a(3) =12a(4) =20a(5) =30a(6) =44a(7) =59a(8) =75a(9) =96a(10) =118a(11) =143a(12) =169a(13) =197a(14) =230a(15) =264a(16) =299a(17) =335a(18) =373a(19) =413a(20) =455a(21) =501a(22) =549a(23) =598a(24) =648a(25) =701a(26) =758a(27) =818a(28) =880a(29) =944