A Catalan-like sequence formed by summing the truncation of the terms of the fourth convolution of the Catalan Triangle where the number of row terms are truncated to ceiling((n+4)*log(3)/log(2)) - (n+4).
A376319
A Catalan-like sequence formed by summing the truncation of the terms of the fourth convolution of the Catalan Triangle where the number of row terms are truncated to ceiling((n+4)*log(3)/log(2)) - (n+4).
Terms
- a(0) =1a(1) =4a(2) =14a(3) =34a(4) =103a(5) =228a(6) =665a(7) =2096a(8) =4787a(9) =14239a(10) =31330a(11) =91728a(12) =199328a(13) =580128a(14) =1834665a(15) =4223092a(16) =12667903a(17) =28207395a(18) =83435822a(19) =267154051a(20) =623837740a(21) =1891453021a(22) =4265101202a(23) =12735718304a(24) =28359351604a(25) =84126071303a(26) =270338873771a(27) =634653510356
External references
- oeis: A376319