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A182833
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Joint-rank array of the numbers j*e^(i-1), read by antidiagonals.
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1
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1, 2, 3, 4, 7, 10, 5, 12, 21, 30, 6, 15, 34, 61, 84, 8, 19, 44, 94, 170, 232, 9, 24, 55, 124, 257, 466, 635, 11, 28, 68, 155, 342, 702, 1272, 1731, 13, 32, 79, 188, 427, 935, 1912, 3465, 4711, 14, 37, 91, 219, 515, 1169, 2548, 5201, 9426, 12814, 16, 41, 103, 251
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Joint-rank arrays are defined in the first comment at A182801. (Column 1)=A117869. Every positive integer occurs exactly once, so that as a sequence, A182833 is a permutation of the positive integers.
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LINKS
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FORMULA
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T(i,j)=SUM{floor(j*e^(i-n)): n>=1}.
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EXAMPLE
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Northwest corner:
1....2....4....5....6...
3....7...12...15...19...
10..21...34...44...55...
30..61...94..124..155...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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