Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On a Class of Harmonic-like numbers   We define a class of rational numbers including, as a particular case, the
classical harmonic numbers. For one particular instance we apply it to the
expansion into powers series of a special function, and also detail its
relashionship with the reciprocals of the binomial coefficients

21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
30
The categories of this paper are: q-alg
9
The categories of this paper are: nlin
22
The categories of this paper are: chao-dyn
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph