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Search: id:A049513
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| A049513 |
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Array T by antidiagonals: T(k,n)=k*n*2^(n-1)+1, n >= 0, k >= 0. |
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+0
3
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| 1, 1, 1, 1, 2, 1, 1, 3, 5, 1, 1, 4, 9, 13, 1, 1, 5, 13, 25, 33, 1, 1, 6, 17, 37, 65, 81, 1, 1, 7, 21, 49, 97, 161, 193, 1, 1, 8, 25, 61, 129, 241, 385, 449, 1, 1, 9, 29, 73, 161, 321, 577, 897, 1025, 1, 1, 10, 33, 85, 193, 401, 769, 1345, 2049, 2305, 1, 1, 11, 37, 97, 225, 481
(list; table; graph; listen)
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OFFSET
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0,5
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EXAMPLE
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Antidiagonals: 1; 1,1; 1,2,1; 1,3,5,1; 1,4,9,13,1; ...
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PROGRAM
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(PARI) T(k, n)=k*n*2^(n-1)+1
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CROSSREFS
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A005183(n)=T(1, n), A002064(n)=T(2, n), A048474(n)=T(3, n), A000337(n)=T(4, n), A016813(n)=T(n, 2), A017533(n)=T(n, 3). Cf. A049069, A048472.
Essentially the same as A049069.
Sequence in context: A153899 A068098 A135722 this_sequence A121207 A097084 A143327
Adjacent sequences: A049510 A049511 A049512 this_sequence A049514 A049515 A049516
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KEYWORD
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nonn,tabl,easy
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AUTHOR
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Michael Somos
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