Sequence is obtained from Catalan numbers (A000108) by taking the factorial of each digit and adding them up.

A165163

Sequence is obtained from Catalan numbers (A000108) by taking the factorial of each digit and adding them up.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =120a(4) =25a(5) =26a(6) =9a(7) =362906a(8) =32a(9) =41066a(10) =369361a(11) =86520a(12) =40327a(13) =367948a(14) =5835a(15) =766968a(16) =11053a(17) =731572a(18) =56192a(19) =374411a(20) =1615a(21) =7256a(22) =404818a(23) =364605a(24) =771205a(25) =404861a(26) =51385a(27) =727600a(28) =379721a(29) =42643

External references