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Search: id:A062515
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| A062515 |
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Leading least prime signatures ordered as in A063008 with [1] associated with 6 [2] associated with 30, [3] associated with 210 etc. (cf. A002110). |
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+0
3
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| 1, 6, 30, 36, 210, 180, 216, 2310, 1260, 900, 1080, 1296, 30030, 13860, 6300, 7560, 5400, 6480, 7776, 510510, 180180, 69300, 83160, 44100, 37800, 45360, 27000, 32400, 38880, 46656
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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A056153 defines the canonical partition sequence encoded by prime factorization.
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EXAMPLE
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Values in A025487 can be generated via powers of two as follows:
1
2
4,6
8,12
16,24,30
32,48,60,36
64,96,120,72
128,192,240,144,210,180,216
a(3) = 36 because we can write [1,1] and associate this exponent vector with 6*6
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CROSSREFS
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A025487, A056153 and A063008.
Sequence in context: A078638 A068510 A056153 this_sequence A062268 A067879 A136375
Adjacent sequences: A062512 A062513 A062514 this_sequence A062516 A062517 A062518
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KEYWORD
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easy,more,nice,nonn
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AUTHOR
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Alford Arnold (Alford1940(AT)aol.com), Jul 10 2001
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