a(n) is the greatest value in the n-th triangle of A375873.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =3a(6) =6a(7) =4a(8) =10a(9) =20a(10) =5a(11) =35a(12) =70a(13) =28a(14) =126a(15) =252a(16) =42a(17) =462a(18) =924a(19) =264a(20) =1716a(21) =3432a(22) =715a(23) =6435a(24) =12870a(25) =2860a(26) =24310a(27) =48620a(28) =12376a(29) =92378