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 A235168 Triangle read by rows: row n gives digits of n in primorial base. 10
 0, 1, 1, 0, 1, 1, 2, 0, 2, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 2, 0, 1, 2, 1, 2, 0, 0, 2, 0, 1, 2, 1, 0, 2, 1, 1, 2, 2, 0, 2, 2, 1, 3, 0, 0, 3, 0, 1, 3, 1, 0, 3, 1, 1, 3, 2, 0, 3, 2, 1, 4, 0, 0, 4, 0, 1, 4, 1, 0, 4, 1, 1, 4, 2, 0, 4, 2, 1, 1, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,7 COMMENTS T(n,k) = A108731(n,k) for k=0..23; a(n) = A108731(n) for n=0..63), when both tables are seen as flattened lists; T T(n,k) < 10 for k = 1..A235224(n) and n < 2100 = 10 * 7#. LINKS Reinhard Zumkeller, Rows n = 0..2500 of triangle, flattened EXAMPLE .        n | .. + _*7# + _*5# + _*3# + _*2# + _*1# | row(n) . ---------+---------------------------------------+--------------------- .       10 | 1*6 + 2*2 + 0*1                       | [1,2,0] .      100 | 3*30 + 1*6 + 2*2 + 0*1                | [3,1,2,0] .     1000 | 4*210 + 5*30 + 1*6 + 2*2n + 0*1       | [4,5,1,2,0] .     2099 | 9*210 + 6*30 + 4*6 + 2*2 + 1*1        | [9,6,4,2,1] .     2100 | 10*210 + 0*30 + 0*6 + 0*2 + 0*1       | [10,0,0,0,0] .    10000 | 4*2310 + 3*210 + 4*30 + 1*6 + 2*2     | [4,3,4,1,2,0] .   100000 | 3*30030+4*2310+3*210+1*30+1*6+2*2+0*1 | [3,4,3,1,1,2,0] .  1000000 |                                       | [1,16,3,9,6,1,2,0] . 10000000 |                                       | [1,0,10,0,0,0,1,2,0] .  1000000 = 1*510510+16*30030+3*2310+9*210+6*30+1*6+2*2+0*1 . 10000000 = 1*9699690+0*510510+10*30030+0*2310+0*210+0*30+1*6+2*2+0*1 . PROG (Haskell) a235168 n k = a235168_row n !! k a235168_row 0 = [0] a235168_row n = t n \$ reverse \$ takeWhile (<= n) a002110_list    where t 0 []     = []          t x (b:bs) = x' : t m bs where (x', m) = divMod x b a235168_tabf = map a235168_row [0..] CROSSREFS Cf. A235224 (row lengths), A049345, A002110, A108731. Sequence in context: A076626 A182886 A108731 * A060950 A039976 A287267 Adjacent sequences:  A235165 A235166 A235167 * A235169 A235170 A235171 KEYWORD nonn,tabf,base,look AUTHOR Reinhard Zumkeller, Jan 05 2014 STATUS approved

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Last modified May 26 22:58 EDT 2020. Contains 334634 sequences. (Running on oeis4.)