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A049790 Triangular array T read by rows: T(n,k)=Sum{[ n/[ k/h ] ]: h=1,2,...,k}, for k=1,2,...,n, n=1,2,... 6
1, 2, 3, 3, 4, 7, 4, 6, 9, 11, 5, 7, 11, 13, 18, 6, 9, 14, 16, 22, 24, 7, 10, 16, 18, 25, 27, 34, 8, 12, 18, 22, 29, 31, 39, 43, 9, 13, 21, 24, 32, 35, 44, 47, 55, 10, 15, 23, 27, 37, 39, 49, 53, 61, 66, 11, 16, 25, 29, 40, 42, 53, 57, 66, 71 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A154217 A185738 A180985 * A184271 A119795 A119614

Adjacent sequences:  A049787 A049788 A049789 * A049791 A049792 A049793

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.