
0, 1, 3, 7, 9, 11, 25, 33, 41, 121, 127, 133, 139, 147, 153, 159, 165, 173, 179, 185, 191, 721, 751, 781, 811, 843, 873, 903, 933, 965, 995, 1025, 1055, 5041, 5065, 5089, 5113, 5137, 5167, 5191, 5215, 5239, 5263, 5293, 5317, 5341, 5365, 5389, 5419, 5443, 5467
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OFFSET

1,3


COMMENTS



LINKS



EXAMPLE

41 = 1 4! + 2 3! + 2 2! + 1 1!.


PROG

(PARI) is(n) = my (d=[]); for (r=2, oo, if (n==0, return (Vecrev(d)==d), d=concat(n%r, d); n\=r)) \\ Rémy Sigrist, Mar 19 2018


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS

Data corrected and initial 0 added by Rémy Sigrist, Mar 19 2018


STATUS

approved

