A359918 - cp's OEIS frontend

A359918 a(n) = coefficient of x^ny^(n+1)/n! in (1/2) log( Sum_{n>=0} (n^2 + ny + 2y^2)^n * x^n/n! ).

n	a(n)
1	1
2	2
3	21
4	304
5	6985
6	205056
7	7607509
8	337188608
9	17495079921
10	1038495001600
11	69496455755221
12	5176052539987968
13	424783071501394489
14	38087843235679268864
15	3704990294840345047125
16	388631778963216211050496
17	43729459820175064700435041
18	5254332451028464517449777152

[1, 2, 21, 304, 6985, 205056, 7607509, 337188608, 17495079921, 1038495001600, 69496455755221, 5176052539987968, 424783071501394489, 38087843235679268864, 3704990294840345047125, 388631778963216211050496, 43729459820175064700435041, 5254332451028464517449777152]

cp's OEIS Frontend

A359918 a(n) = coefficient of x^ny^(n+1)/n! in (1/2) log( Sum_{n>=0} (n^2 + ny + 2y^2)^n * x^n/n! ).

Table of values

List of values

cp's OEIS Frontend

A359918 a(n) = coefficient of x^n*y^(n+1)/n! in (1/2) * log( Sum_{n>=0} (n^2 + n*y + 2*y^2)^n * x^n/n! ).

Table of values

List of values

A359918 a(n) = coefficient of x^ny^(n+1)/n! in (1/2) log( Sum_{n>=0} (n^2 + ny + 2y^2)^n * x^n/n! ).