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Table 1 Distribution of k-mer counts found in the breast tumor single-nucleus sequencing data.

From: Reference-free inference of tumor phylogenies from single-cell sequencing data

k-mer Size of k-mer space Observed k-mer space Reduced space of k-mers
5-mer 45 = 1024 1024 1024
10-mer 410 = 1048576 1048576 1002150
15-mer 415 = 1073741824 1010206155 749386
20-mer 420 = 1.0995 × 1012 5667547542 128425
25-mer 425 = 1.1259 × 1015 1087589480 11966
  1. Column 1 lists the different "k"s explored. Columns 2 and 3 describe the total number of possible unique k-mers for a given k and the actual number of unique k-mers observed in the data respectively. Column 4 describes the k-mer counts after adjusting for sparsity and amplification noise.