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A027315 Self-convolution of array T given by A026082. 1
1, 2, 6, 20, 90, 692, 5774, 48924, 417440, 3580036, 30831756, 266463804, 2309848194, 20074999500, 174867895438, 1526259877412, 13344806416950, 116863477094660, 1024844657752730, 8998915251701628, 79108591391227406, 696167664755023388, 6132277201334483178 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Equivalently, sum of squares of numbers in row n of array T given by A026082.

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A000666 A180890 A027321 * A005965 A000421 A009244

Adjacent sequences:  A027312 A027313 A027314 * A027316 A027317 A027318

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 27 2019

STATUS

approved

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Last modified October 1 04:31 EDT 2022. Contains 357134 sequences. (Running on oeis4.)