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A155539
a(n) = n^(n+3) + (n+3)^n.
2
1, 5, 57, 945, 18785, 423393, 10609137, 292475249, 8804293473, 287589316833, 10137858491849, 383799398752905, 15536767912476993, 669920208810550337, 30659724555890596833, 1484638520651877849057, 75846305139481944586817
OFFSET
0,2
COMMENTS
1^4 + 4^1 = 5, 2^5 + 5^2 = 57, ...
LINKS
MATHEMATICA
lst={}; Do[m=n+3; q=n^m+m^n; AppendTo[lst, q], {n, 0, 4!}]; lst
Table[n^(n+3)+(n+3)^n, {n, 0, 20}] (* Harvey P. Dale, Aug 18 2024 *)
PROG
(Magma) [n^(n+3)+(n+3)^n: n in [0..20] ]; // Vincenzo Librandi, Aug 25 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset corrected by Arkadiusz Wesolowski, Aug 24 2011
STATUS
approved