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A379974
A373711(n) is equal to the a(n)-th A379973(n)-gonal number.
3
0, 1, 4, 15, 7, 9, 22, 19, 55, 70, 45, 119, 41, 73, 34, 181, 110, 115, 77, 361, 86, 631, 1009, 1513, 1683, 2161, 1191, 2971, 694, 3961, 604, 5149, 6553, 8191, 10081, 12241, 14689, 17443, 20521, 9000, 23941, 27721, 4970, 31879, 36433, 41401
OFFSET
1,3
COMMENTS
Indices to polygonal numbers are chosen so that the first k-gonal number is 1 (and the zeroth is 0).
FORMULA
A057145(A379973(n),a(n)) = A373711(n).
CROSSREFS
KEYWORD
nonn,more,new
AUTHOR
STATUS
approved