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 A212531 Number of nondecreasing sequences of n 1..n integers with every element dividing the sequence sum 0
 1, 2, 5, 10, 21, 40, 83, 161, 331, 644, 1102, 3627, 5646, 10083, 29188, 53681, 84121, 237453, 373114, 1400757, 2443494 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A212536 LINKS EXAMPLE Some solutions for n=8 ..1....2....2....2....1....1....1....1....2....1....1....1....4....6....1....2 ..1....2....2....2....1....1....4....1....2....1....1....2....7....6....2....2 ..2....2....2....2....4....2....4....1....4....1....1....2....7....6....3....2 ..2....2....3....2....5....4....5....3....4....2....1....2....7....6....3....3 ..4....2....5....2....5....4....5....3....4....3....2....3....7....6....3....3 ..4....2....5....4....8....4....5....3....8....4....2....4....8....6....3....4 ..7....4....5....7....8....4....8....6....8....4....2....4....8....6....3....4 ..7....4....6....7....8....4....8....6....8....8....2....6....8....6....6....4 CROSSREFS Sequence in context: A182807 A056599 A191531 * A261681 A030525 A116385 Adjacent sequences:  A212528 A212529 A212530 * A212532 A212533 A212534 KEYWORD nonn AUTHOR R. H. Hardin May 20 2012 STATUS approved

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