OFFSET
2,2
COMMENTS
a(n) is the zeroless analog of the (n-1)-th n-gonal number.
LINKS
Paolo Xausa, Table of n, a(n) for n = 2..10000
FORMULA
a(n) = A373169(n,n-1).
MATHEMATICA
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Paolo Xausa, May 28 2024
STATUS
approved