The Filters section of the Boost Math library cover a broad range of areas
# Daubechies Scaling Filter of order 4
daubechies_scaling_filter(4)
#> [1] 0.23037781 0.71484657 0.63088077 -0.02798377 -0.18703481 0.03084138
#> [7] 0.03288301 -0.01059740
# Daubechies Wavelet Filter of order 4
daubechies_wavelet_filter(4)
#> [1] -0.01059740 -0.03288301 0.03084138 0.18703481 -0.02798377 -0.63088077
#> [7] 0.71484657 -0.23037781