a(n) = A276452(n) + A276451(n) + A276449(n).

A276454

a(n) = A276452(n) + A276451(n) + A276449(n).

Terms

    a(0) =1a(1) =2a(2) =22a(3) =464a(4) =13302a(5) =487152a(6) =21475652a(7) =1106550392a(8) =65221981530

External references