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A051852 A051851(n)/row_index_of(n). 1
1, 1, 2, 1, 2, 7, 1, 2, 3, 8, 39, 1, 2, 3, 9, 10, 52, 311, 1, 2, 3, 4, 10, 11, 19, 67, 68, 467, 3268, 1, 2, 3, 4, 11, 12, 13, 21, 84, 85, 94, 669, 670, 5350, 42799, 1, 2, 3, 4, 5, 12, 13, 14, 23, 24, 103, 104, 105, 114, 205, 923, 924, 934, 8304, 8305, 74734, 672605, 1, 2, 3 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

EXAMPLE

1; 1, 2; 1, 2, 7; 1, 2, 3, 8, 39; 1, 2, 3, 9, 10, 52, 311;

MAPLE

with(combinat); rows_upto_u := proc(u) local a, n; a := []; for n from 1 to u do a := [op(a), op(map(divby, sort(map(list_in_base_b, partition(n), (n+1))), n))]; od; RETURN(a); end;

CROSSREFS

A subset of A051850 (but note the relative indexing...)

Sequence in context: A114572 A052621 A131057 * A054495 A007966 A011241

Adjacent sequences:  A051849 A051850 A051851 * A051853 A051854 A051855

KEYWORD

easy,nonn

AUTHOR

Antti Karttunen Dec 13 1999

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Last modified February 15 03:22 EST 2012. Contains 205694 sequences.