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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A370119 Numbers whose arithmetic derivative is a multiple of 9. 4 0, 1, 14, 27, 50, 54, 65, 68, 77, 81, 86, 108, 122, 135, 155, 158, 160, 162, 189, 194, 196, 203, 208, 212, 216, 230, 243, 270, 275, 284, 297, 299, 302, 323, 324, 329, 335, 351, 356, 374, 378, 405, 410, 428, 432, 446, 459, 473, 482, 486, 496, 512, 513, 515, 533, 540, 554, 567, 581, 590, 594, 621, 626, 629, 648, 662 (list; graph; refs; listen; history; text; internal format) OFFSET 1,3 LINKS Table of n, a(n) for n=1..66. PROG (PARI) \\ See A370118. CROSSREFS Intersection of A327863 and A370123. Positions of multiples of 3 in A369669. Cf. A003415, A370118 (characteristic function). Sequence in context: A190991 A306985 A293183 * A168596 A275251 A331099 Adjacent sequences: A370116 A370117 A370118 * A370120 A370121 A370122 KEYWORD nonn AUTHOR Antti Karttunen, Feb 10 2024 STATUS approved

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Last modified August 18 17:05 EDT 2024. Contains 375269 sequences. (Running on oeis4.)