A110163 - cp's OEIS frontend

A110163 Exponents a(1), a(2), ... such that theta series of E_8 lattice, 1 + 240 q + 2160 q^2 + ... (A004009) is equal to (1-q)^a(1) (1-q^2)^a(2) (1-q^3)^a(3) ...

n	a(n)
1	-240
2	26760
3	-4096240
4	708938760
5	-130880766192
6	25168873498760
7	-4978357936128240
8	1005225129317834760
9	-206195878414962688240
10	42824436296045618358408
11	-8983966738037593190400240
12	1900416270294787067711818760
13	-404814256845771786255876096240
14	86744167089111545378556727322760

[-240, 26760, -4096240, 708938760, -130880766192, 25168873498760, -4978357936128240, 1005225129317834760, -206195878414962688240, 42824436296045618358408, -8983966738037593190400240, 1900416270294787067711818760, -404814256845771786255876096240, 86744167089111545378556727322760]

cp's OEIS Frontend

A110163 Exponents a(1), a(2), ... such that theta series of E_8 lattice, 1 + 240 q + 2160 q^2 + ... (A004009) is equal to (1-q)^a(1) (1-q^2)^a(2) (1-q^3)^a(3) ...

Table of values

List of values