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A051474
(Terms in A014450)/2.
0
2, 13, 33, 13, 151, 151, 60, 1208, 60, 251, 7304, 44117, 78095, 44117, 7304, 251, 23920, 227596, 655177, 655177, 227596, 23920, 1018, 1101744, 4869057, 7862124, 4869057, 1101744, 1018, 33159237, 81256143, 81256143, 33159237, 4089, 739863
OFFSET
0,1
CROSSREFS
KEYWORD
nonn
STATUS
approved