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A048206
a(n)=least m such that row m of T contains n, array T given by A048201.
1
1, 2, 2, 3, 4, 3, 3, 5, 4, 6, 4, 4, 5, 7, 8, 9, 5, 6, 5, 5, 10, 11, 6, 7, 12, 13, 6, 14, 6, 6, 9, 7, 15, 16, 17, 18, 7, 19, 8, 20, 7, 21, 7, 7, 9, 22, 8, 23, 24, 25, 13, 8, 26, 14, 9, 8, 27, 8, 8, 28, 15, 29, 9, 30, 31, 10, 16, 9, 17, 32, 18, 9, 13, 9, 9
OFFSET
1,2
LINKS
PROG
(PARI) See Links section.
CROSSREFS
Sequence in context: A330416 A359043 A054703 * A290740 A075765 A309899
KEYWORD
nonn
STATUS
approved