Number of parts in all the compositions of n into primes (i.e., in all ordered sequences of primes having sum n).

A121304

Number of parts in all the compositions of n into primes (i.e., in all ordered sequences of primes having sum n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =5a(5) =14a(6) =17a(7) =32a(8) =53a(9) =76a(10) =139a(11) =198a(12) =334a(13) =515a(14) =798a(15) =1280a(16) =1938a(17) =3075a(18) =4710a(19) =7299a(20) =11298a(21) =17296a(22) =26738a(23) =40874a(24) =62763a(25) =96036a(26) =146674a(27) =224210a(28) =341562a(29) =520767

External references