Second member of a pair of numbers occurring in the definition of 2-happy couples.

Terms

a(0) =1a(1) =1a(2) =3a(3) =1a(4) =2a(5) =1a(6) =3a(7) =5a(8) =1a(9) =1a(10) =39a(11) =3a(12) =1a(13) =1a(14) =78a(15) =7a(16) =1a(17) =13a(18) =4a(19) =1a(20) =3a(21) =5a(22) =3a(23) =9a(24) =1a(25) =11a(26) =1a(27) =1a(28) =2a(29) =5