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A048220
a(n)=least m such that column m of T contains n, array T given by A048212.
0
1, 1, 2, 1, 2, 1, 3, 1, 1, 2, 3, 1, 4, 2, 1, 1, 2, 3, 4, 1, 5, 1, 3, 1, 1, 1, 4, 5, 3, 6, 2, 1, 1, 1, 4, 3, 1, 1, 5, 6, 1, 7, 3, 4, 1, 2, 1, 1, 2, 5, 3, 4, 1, 6, 7, 1, 8, 3, 1, 5, 1, 1, 4, 1, 2, 6, 2, 1, 1, 7, 8, 5, 9, 1, 3, 1, 1, 1, 2, 6, 1, 4, 3, 1, 5, 7, 1, 1, 1, 8
OFFSET
1,3
CROSSREFS
Sequence in context: A303755 A321279 A294882 * A182593 A201167 A202853
KEYWORD
nonn
STATUS
approved