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A060076 Fourth column of triangle A060074. 0
1, 30, 1211, 68060, 5162421, 510964090, 64108947631, 9954077496120, 1874917179220841, 421327494210872150, 111374995513203846051, 34217341079365673500180, 12091183195611248756287261 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Also fourth diagonal of triangle A060058.
a(n) is n-fold iterated sum of squares with last upper summation index 4 and other upper summation indices j[k]+1, k=2,...,n. See Comments A060061 for the threefold iteration with last upper summation index n.
LINKS
FORMULA
a(n)=A060074(n+3, 3)= A060058(3+n, n).
CROSSREFS
Sequence in context: A259462 A269682 A269471 * A174716 A163521 A273416
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Mar 16 2001
STATUS
approved

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Last modified April 22 02:54 EDT 2024. Contains 371887 sequences. (Running on oeis4.)