A048218 - OEIS

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A048218

a(n)=T(n+2,n), array T given by A048212.

0

4, 10, 18, 27, 39, 54, 70, 90, 112, 136, 161, 187, 219, 252, 286, 323, 361, 402, 447, 494, 542, 595, 651, 710, 771, 833, 897, 965, 1034, 1108, 1184, 1261, 1339, 1420, 1504, 1591, 1679, 1768, 1864, 1962, 2062, 2165, 2270, 2376

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

FORMULA

a(n) = A004979(n + 3) - 4. - Sean A. Irvine, Jun 05 2021

CROSSREFS

Sequence in context: A053767 A225270 A073621 * A172484 A009876 A161958

Adjacent sequences: A048215 A048216 A048217 * A048219 A048220 A048221

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved