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 A286564 Triangular table A286563 reversed. 4
 1, 1, 1, 1, 0, 1, 1, 0, 2, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 3, 1, 1, 0, 0, 0, 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 COMMENTS See A286563. LINKS Antti Karttunen, Table of n, a(n) for n = 1..7875; the first 125 rows of the triangle EXAMPLE The first fifteen rows of this triangular table:   1,   1, 1,   1, 0, 1,   1, 0, 2, 1,   1, 0, 0, 0, 1,   1, 0, 0, 1, 1, 1,   1, 0, 0, 0, 0, 0, 1,   1, 0, 0, 0, 1, 0, 3, 1,   1, 0, 0, 0, 0, 0, 2, 0, 1,   1, 0, 0, 0, 0, 1, 0, 0, 1, 1,   1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,   1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 1,   1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,   1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1,   1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1 MATHEMATICA Table[If[k == 1, 1, IntegerExponent[n, k]], {n, 15}, {k, n, 1, -1}] // Flatten (* Michael De Vlieger, May 20 2017 *) PROG (Scheme) (define (A286564 n) (A286561bi (A002024 n) (A004736 n))) ;; For A286561bi see A286561. (Python) def T(n, k):     i=1     if k==1: return 1     while n%(k**i)==0:         i+=1     return i-1 for n in xrange(1, 21): print [T(n, k) for k in xrange(1, n + 1)] [::-1] # Indranil Ghosh, May 20 2017 CROSSREFS Cf. A286561, A286563. Cf. A169594 (row sums). Sequence in context: A064692 A286106 A079677 * A316359 A080080 A093662 Adjacent sequences:  A286561 A286562 A286563 * A286565 A286566 A286567 KEYWORD nonn,tabl AUTHOR Antti Karttunen, May 20 2017 STATUS approved

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Last modified June 18 15:25 EDT 2019. Contains 324213 sequences. (Running on oeis4.)