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A048531
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a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 1's.
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10
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3, 10, 105, 1010, 10203, 33928, 105551, 335128, 1054130, 12313046, 100573943, 333192303, 1054092885, 4261585525, 30184681729, 133083117303, 331829837885
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(3) = 105 since A002378(105) = 11130;
a(4) = 1010 since A002378(1010) = 1021110, etc.
(End).
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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