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A352371
Alternating row sums of A352369.
1
1, -1, -1, -1, 5, 49, 259, 741, -3263, -76915, -782089, -5173763, -9197123, 389152919, 8099637883, 102525854939, 853355714673, 931100151549, -140777397537929, -3587404181388531, -58439969237350259, -649453301904349909, -2064509243175655605, 131896195608069986079
OFFSET
0,5
CROSSREFS
Cf. A352369.
Sequence in context: A273385 A058927 A083224 * A201358 A242035 A093188
KEYWORD
sign
AUTHOR
Peter Luschny, Mar 15 2022
STATUS
approved