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A026991 Self-convolution of array T given by A026692. 0
1, 2, 6, 20, 98, 502, 2126, 8382, 39624, 203562, 922944, 3886840, 18431462, 93930404, 435553556, 1893481706, 9028569112, 45794495192, 214665970468, 950426429104, 4550599324520, 23012148707800, 108579819367298, 486522336711212, 2336288831626038, 11788749319436714 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A348104 A329426 A020095 * A049379 A003094 A073964
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Oct 21 2019
STATUS
approved

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)