# Table of n, a(n) for n=1..53 # A062925 Numbers k that, when expressed in base 4 and then interpreted in base 9, give a multiple of k. # Generated with jOEIS by Georg Fischer, Mar 13 2023 1 0 2 1 3 2 4 3 5 5 6 10 7 15 8 25 9 75 10 100 11 125 12 355 13 435 14 500 15 1775 16 2415 17 3675 18 5825 19 9660 20 14700 21 17074 22 20786 23 22382 24 23300 25 27300 26 79716 27 83144 28 87087 29 97860 30 103930 31 125460 32 172105 33 331275 34 332576 35 348348 36 415720 37 1325100 38 1330304 39 1531980 40 1556643 41 1662880 42 4526475 43 5321216 44 6651520 45 8697435 46 18105900 47 26606080 48 212150650 49 212742075 50 355016571 51 467278322 52 467851800 53 475776278