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Search: id:A047848
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| A047848 |
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Array T read by diagonals; n-th difference of (T(k,n),T(k,n-1),...,T(k,0)) is (k+2)^(n-1), for n=1,2,3,...; k=0,1,2,... |
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11
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| 1, 2, 1, 5, 2, 1, 14, 6, 2, 1, 41, 22, 7, 2, 1, 122, 86, 32, 8, 2, 1, 365, 342, 157, 44, 9, 2, 1, 1094, 1366, 782, 260, 58, 10, 2, 1, 3281, 5462, 3907, 1556, 401, 74, 11, 2, 1, 9842, 21846, 19532, 9332, 2802, 586, 92, 12, 2, 1, 29525, 87382
(list; table; graph; listen)
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OFFSET
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0,2
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FORMULA
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T(k, n) = ((k+3)^n+k+1)/(k+2). - Ralf Stephan (ralf(AT)ark.in-berlin.de), Feb 14 2004
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EXAMPLE
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Diagonals (each starting on row 1): {1}; {2,1}; {5,2,1}; ...
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CROSSREFS
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Row 1 = (1, 2, 5, 14, 41, ...) = A007051.
Sequence in context: A134032 A137151 A048494 this_sequence A110874 A010253 A065274
Adjacent sequences: A047845 A047846 A047847 this_sequence A047849 A047850 A047851
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KEYWORD
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nonn,tabl
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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