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 A304730 Restricted growth sequence transform of A046523(A281978(n)). 2
 1, 2, 3, 4, 3, 4, 3, 5, 4, 6, 7, 6, 5, 8, 2, 6, 5, 9, 10, 11, 9, 12, 5, 6, 7, 13, 14, 15, 16, 17, 16, 15, 14, 18, 19, 20, 13, 21, 13, 22, 20, 23, 24, 23, 22, 25, 26, 27, 28, 29, 28, 27, 19, 26, 20, 22, 18, 22, 13, 21, 11, 30, 31, 32, 33, 34, 35, 36, 37, 38, 31, 39, 2, 8, 5, 9, 5, 6, 7, 16, 6, 17, 16, 31, 12, 40, 8, 31, 12, 31, 11, 30, 31, 39, 16, 17, 16 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65535 PROG (PARI) up_to = (2^16)+1; v281978 = vector(1+up_to); v281978[1] = 1; minverses = Map(); mapput(minverses, 1, 1); least_unused_proper_divisor(inverses, n) = { fordiv(n, d, if((d

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Last modified December 7 11:41 EST 2023. Contains 367656 sequences. (Running on oeis4.)