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 A339498 Number of zeroless strictly pandigital numbers divisible by the n-th prime. 0
 161280, 362880, 40320, 51752, 31680, 27776, 21271, 19138, 15788, 12613, 11707, 9072, 8832, 8423, 7725, 6822, 6241, 5937, 5454, 5113, 4796, 4629, 4310, 4122, 3744, 3168, 3528, 3410, 3305, 3160, 2826, 2827, 2778, 2619, 2316, 2297, 2297, 2173, 2163, 2094, 2077, 2027, 1879, 1915, 1836, 1780, 1773 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Calculated by Chuck Gaydos. a(4620), for prime(4620) = 44449, is the first zero entry. The last nonzero entry is a(6289143) for prime 109739359 = 987654231 / 9. - Michael S. Branicky, Dec 07 2020 LINKS PROG (Python) from sympy import prime from itertools import permutations def zeroless_pans():     for p in permutations("123456789"):         yield int("".join(p)) def a(n):     pn = prime(n)     return sum(zlp%pn==0 for zlp in zeroless_pans()) print([a(n) for n in range(1, 43)]) # Michael S. Branicky, Dec 07 2020 CROSSREFS Cf. A000040, A050289. Sequence in context: A017657 A235256 A233891 * A249880 A184474 A114669 Adjacent sequences:  A339495 A339496 A339497 * A339499 A339500 A339501 KEYWORD nonn,base AUTHOR G. L. Honaker, Jr., Dec 07 2020 STATUS approved

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Last modified May 6 09:45 EDT 2021. Contains 343580 sequences. (Running on oeis4.)