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 A328446 Table read by rows: the n-th row gives the nonnegative integers k such that n - k is a power of k. 2
 0, 1, 2, 2, 3, 4, 2, 3, 5, 6, 4, 7, 8, 2, 5, 9, 10, 3, 6, 11, 12, 7, 13, 14, 8, 15, 16, 2, 9, 17, 18, 4, 10, 19, 20, 11, 21, 22, 12, 23, 24, 13, 25, 26, 14, 27, 28, 3, 5, 15, 29, 30, 16, 31, 32, 2, 17, 33, 34, 18, 35, 36, 19, 37, 38, 20, 39, 40, 6, 21, 41, 42, 22 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS The n-th row has length A309978(n) for n > 1. LINKS Peter Kagey, Table of n, a(n) for n = 1..10000 EXAMPLE Table begins    n | n-th row   ---+----------    1 | 0    2 | 1    3 | 2    4 | 2, 3    5 | 4    6 | 2, 3, 5    7 | 6    8 | 4, 7    9 | 8   10 | 2, 5, 9   11 | 10   12 | 3, 6, 11   13 | 12   14 | 7, 13   15 | 14   16 | 8, 15   17 | 16   18 | 2, 9, 17 For n = 10 the 10th row is 2, 5, 9 because 10 - 2 = 2^3, 10 - 5 = 5^1, and 10 - 9 = 9^0. PROG (PARI) row(n) = {if (n==1, return ([0])); my(row = vector(0)); fordiv(n, d, if ((d>1) && (d

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Last modified February 22 17:14 EST 2020. Contains 332140 sequences. (Running on oeis4.)