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 A062812 a(n) = Sum_{i=1..n} i^(n - i) + (-1)^(n - i)*(n - i)^i. 3
 1, 1, 5, 9, 25, 65, 205, 713, 2753, 11425, 50389, 234825, 1155817, 6009153, 32958173, 190115849, 1148816017, 7244099617, 47521750501, 323632894729, 2284774880441, 16702573959489, 126299702576365, 986688266888777 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Seiichi Manyama, Table of n, a(n) for n = 1..600 MATHEMATICA Sum[i^(n - i) + (-1)^(n - i)*(n - i)^i, {i, 1, n}] PROG (PARI) a(n) = sum(i=1, n, i^(n-i) + (-1)^(n-i)*(n-i)^i); \\ Michel Marcus, Mar 24 2019 CROSSREFS Cf. A062810, A062811. Sequence in context: A147512 A301960 A050359 * A032499 A112084 A038251 Adjacent sequences:  A062809 A062810 A062811 * A062813 A062814 A062815 KEYWORD nonn,easy AUTHOR Olivier Gérard, Jun 23 2001 STATUS approved

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Last modified August 19 23:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)