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Search: id:A074318
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| A074318 |
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Sum of next n^n terms of the form i^i. |
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+0
1
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| 4, 50064, 208492413443704093346554910065262730566475749
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A very rapidly growing sequence: a(4) and a(5) have 628 and 10942 digits.
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FORMULA
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sum(i^i, i=n+1, n+n^n)
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EXAMPLE
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a(2) = 50064 = 3^3 + 4^4 + 5^5 + 6^6.
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MATHEMATICA
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Table[Sum[i^i, {i, n+1, n+n^n}], {n, 5}]
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CROSSREFS
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Sequence in context: A132638 A046882 A165812 this_sequence A102200 A066544 A009529
Adjacent sequences: A074315 A074316 A074317 this_sequence A074319 A074320 A074321
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KEYWORD
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nonn,bref
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Sep 22 2002
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EXTENSIONS
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The next term is too large to include.
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