a(n) is the index of the smallest n-gonal number divisible by exactly n n-gonal numbers.

A358058

a(n) is the index of the smallest n-gonal number divisible by exactly n n-gonal numbers.

Terms

    a(0) =3a(1) =6a(2) =12a(3) =48a(4) =51a(5) =330a(6) =1100a(7) =702a(8) =8120a(9) =980a(10) =5499a(11) =110880a(12) =10472a(13) =2688a(14) =2127411a(15) =517104a(16) =710640a(17) =396480a(18) =2761803a(19) =4254120a(20) =13347975a(21) =707000a(22) =3655827

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