Put a [+] b = A(A(a) + A(b)), where A=A007913. The sequence lists consecutive row "sums" of triangle A248473, using [+].

A249388

Put a [+] b = A(A(a) + A(b)), where A=A007913. The sequence lists consecutive row "sums" of triangle A248473, using [+].

Terms

    a(0) =1a(1) =2a(2) =1a(3) =2a(4) =3a(5) =2a(6) =2a(7) =94a(8) =1a(9) =1a(10) =1a(11) =2a(12) =6a(13) =2a(14) =17a(15) =2a(16) =2a(17) =1187a(18) =6a(19) =2a(20) =1a(21) =62a(22) =2a(23) =56883a(24) =14a(25) =3a(26) =14471a(27) =2a(28) =14a(29) =3018

External references