a(n) equals the number of admissible pairs of subsets of {1,2,...,n} in the notation of Marzuola-Miller.
A158448
a(n) equals the number of admissible pairs of subsets of {1,2,...,n} in the notation of Marzuola-Miller.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =8a(4) =18a(5) =50a(6) =135a(7) =385a(8) =1065a(9) =3053a(10) =8701a(11) =25579a(12) =73693a(13) =217718a(14) =635220a(15) =1888802
External references
- oeis: A158448