Fourth convolution of Lucas numbers A000032(n+1), n >= 0.

Terms

a(0) =1a(1) =15a(2) =110a(3) =545a(4) =2120a(5) =7043a(6) =20965a(7) =57560a(8) =148545a(9) =365045a(10) =862224a(11) =1970905a(12) =4382820a(13) =9520315a(14) =20265665a(15) =42385132a(16) =87284120a(17) =177293730a(18) =355738710a(19) =705980760a(20) =1387213926a(21) =2701362950a(22) =5217448800a(23) =10001654350