A187848 - cp's OEIS frontend

A187848 a(n) is the moment of order n for the probability density function defined by rho(x)=exp(x-1)/((Ei(x-1))^2+Pi^2) over the interval 1..infinity, with Ei the exponential integral.

n	a(n)
0	1
1	4
2	20
3	120
4	836
5	6608
6	58324
7	568296
8	6060340
9	70245856
10	879937892
11	11853424536
12	170963881892
13	2629912684784
14	42995842035316
15	744683072665416
16	13624184625098644
17	262594854417561856
18	5319099368762699012
19	112977659152942035192
20	2511041582408699358980

[1, 4, 20, 120, 836, 6608, 58324, 568296, 6060340, 70245856, 879937892, 11853424536, 170963881892, 2629912684784, 42995842035316, 744683072665416, 13624184625098644, 262594854417561856, 5319099368762699012, 112977659152942035192, 2511041582408699358980]

cp's OEIS Frontend

A187848 a(n) is the moment of order n for the probability density function defined by rho(x)=exp(x-1)/((Ei(x-1))^2+Pi^2) over the interval 1..infinity, with Ei the exponential integral.

Table of values

List of values