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CROSSREFS
| Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.
Sequence in context: A108006 A020430 A163010 * A118060 A146894 A013688
Adjacent sequences: A069329 A069330 A069331 * A069333 A069334 A069335
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