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A177323
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Number of permutations of n copies of 1..5 with all adjacent differences <= 2 in absolute value.
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1
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20, 3846, 1173512, 439192790, 184619047020, 83659800759150, 39956935830445136, 19840440079542390102, 10150867545062935511900, 5318188148539280718247346, 2840554565353471719458163720, 1541655842245048541457829216574
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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