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A344377
Numbers that are both 11-gonal numbers (A051682) and 11-gonal pyramidal numbers (A007586).
2
0, 1, 23725, 1519937678700, 7248070597636
OFFSET
1,3
COMMENTS
Intersection of A051682 and A007586.
PROG
(PARI) for(k=0, 1e5, if(ispolygonal(m=k*(k+1)*(3*k-2)/2, 11), print1(m", ")))
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, May 17 2021
STATUS
approved