Square array read by antidiagonals: the n-th row lists n-gonal numbers that are products of smaller n-gonal numbers.
A374370
Square array read by antidiagonals: the n-th row lists n-gonal numbers that are products of smaller n-gonal numbers.
Terms
- a(0) =1a(1) =4a(2) =1a(3) =6a(4) =36a(5) =1a(6) =8a(7) =45a(8) =16a(9) =1a(10) =9a(11) =210a(12) =36a(13) =10045a(14) =1a(15) =10a(16) =300a(17) =64a(18) =11310a(19) =2850a(20) =1a(21) =12a(22) =378a(23) =81a(24) =20475a(25) =61776a(26) =6426a(27) =1a(28) =14a(29) =630
External references
- oeis: A374370