A068792 - cp's OEIS frontend

A068792 a(n) = (n-1)n^(n-2) + Sum_{i=1..n} (n-i)(n^(n-i-1) + n^(n+i-3)).

n	a(n)
2	1
3	16
4	441
5	24336
6	2418025
7	384473664
8	89755965649
9	28953439105600
10	12345678987654321
11	6727499948806851600
12	4562491230669011577289
13	3769449794266138309731600
14	3727710895159027432980276121
15	4348096581244536814777202995456
16	5907679981266292758213173560296225

[1, 16, 441, 24336, 2418025, 384473664, 89755965649, 28953439105600, 12345678987654321, 6727499948806851600, 4562491230669011577289, 3769449794266138309731600, 3727710895159027432980276121, 4348096581244536814777202995456, 5907679981266292758213173560296225]

cp's OEIS Frontend

A068792 a(n) = (n-1)n^(n-2) + Sum_{i=1..n} (n-i)(n^(n-i-1) + n^(n+i-3)).

Table of values

List of values

cp's OEIS Frontend

A068792 a(n) = (n-1)*n^(n-2) + Sum_{i=1..n} (n-i)*(n^(n-i-1) + n^(n+i-3)).

Table of values

List of values

A068792 a(n) = (n-1)n^(n-2) + Sum_{i=1..n} (n-i)(n^(n-i-1) + n^(n+i-3)).