A336513 - cp's OEIS frontend

A336513 a(n) = Sum_{i=1..n} Product_{j=(i-1)n+1..in} j.

n	a(n)
1	1
2	14
3	630
4	57264
5	8626800
6	1940869440
7	609372212400
8	254507088084480
9	136432540607489280
10	91303132805512992000
11	74605774050426543724800
12	73097485140038735163110400
13	84588938888439008795675904000
14	114144070365165930162064530739200
15	177648727691418999798103189989120000

[1, 14, 630, 57264, 8626800, 1940869440, 609372212400, 254507088084480, 136432540607489280, 91303132805512992000, 74605774050426543724800, 73097485140038735163110400, 84588938888439008795675904000, 114144070365165930162064530739200, 177648727691418999798103189989120000]

cp's OEIS Frontend

A336513 a(n) = Sum_{i=1..n} Product_{j=(i-1)n+1..in} j.

Table of values

List of values

cp's OEIS Frontend

A336513 a(n) = Sum_{i=1..n} Product_{j=(i-1)*n+1..i*n} j.

Table of values

List of values

A336513 a(n) = Sum_{i=1..n} Product_{j=(i-1)n+1..in} j.