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A231667
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a(n) = Sum_{i=0..n} digsum_4(i)^4, where digsum_4(i) = A053737(i).
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5
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0, 1, 17, 98, 99, 115, 196, 452, 468, 549, 805, 1430, 1511, 1767, 2392, 3688, 3689, 3705, 3786, 4042, 4058, 4139, 4395, 5020, 5101, 5357, 5982, 7278, 7534, 8159, 9455, 11856, 11872, 11953, 12209, 12834, 12915, 13171, 13796, 15092, 15348, 15973, 17269, 19670, 20295, 21591, 23992, 28088, 28169, 28425, 29050, 30346, 30602, 31227, 32523, 34924, 35549, 36845, 39246, 43342
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OFFSET
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0,3
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LINKS
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P. J. Grabner, P. Kirschenhofer, H. Prodinger, R. F. Tichy, On the moments of the sum-of-digits function, PDF, Applications of Fibonacci numbers, Vol. 5 (St. Andrews, 1992), 263-271, Kluwer Acad. Publ., Dordrecht, 1993.
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PROG
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(PARI) a(n) = sum(i=0, n, sumdigits(i, 4)^4); \\ Michel Marcus, Sep 20 2017
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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