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A138880 Sum of all parts > 1 in the outer shell of the partitions of n. 18
0, 2, 3, 8, 10, 24, 28, 56, 72, 120, 154, 252, 312, 476, 615, 880, 1122, 1584, 1995, 2740, 3465, 4620, 5819, 7680, 9575, 12428, 15498, 19824, 24563, 31170, 38378, 48224, 59202, 73678, 90055, 111384, 135420, 166364, 201630, 246120, 297045, 360822 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums of triangle A182710. Also row sums of other similar triangles as A138136 and A182711.

LINKS

Table of n, a(n) for n=1..42.

FORMULA

a(n) = A002865(n)*n = (A000041(n) - A000041(n-1))*n = A138879(n) - A000041(n-1).

CROSSREFS

Cf. A000041, A002865, A066186, A133041, A138135, A138136, A138137, A138138, A138151, A138879, A139100.

Sequence in context: A098844 A034437 A175715 * A063474 A163492 A025562

Adjacent sequences:  A138877 A138878 A138879 * A138881 A138882 A138883

KEYWORD

nonn

AUTHOR

Omar E. Pol, Apr 30 2008

STATUS

approved

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Last modified May 18 12:19 EDT 2013. Contains 225419 sequences.