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A048479
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a(n) = T(7,n), array T given by A048472.
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1
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1, 9, 33, 97, 257, 641, 1537, 3585, 8193, 18433, 40961, 90113, 196609, 425985, 917505, 1966081, 4194305, 8912897, 18874369, 39845889, 83886081, 176160769, 369098753, 771751937, 1610612737, 3355443201, 6979321857, 14495514625
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..1000
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FORMULA
| a(n) = 8*n * 2^(n-1) + 1.
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PROG
| (MAGMA) [8*n * 2^(n-1) + 1: n in [0..30]]; // Vincenzo Librandi, Sep 23 2011
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CROSSREFS
| n-th difference of a(n), a(n-1), ..., a(0) is (8, 16, 24, ...).
Sequence in context: A020326 A201024 A112888 * A031880 A002881 A036543
Adjacent sequences: A048476 A048477 A048478 * A048480 A048481 A048482
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KEYWORD
| nonn,easy
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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