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Search: id:A053586
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| A053586 |
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Primes formed by concatenating n consecutive decreasing numbers starting with a prime p(n) and ending with the previous prime p(n-1). |
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| 89888786858483, 211210209208207206205204203202201200199, 593592591590589588587, 1327132613251324132313221321, 2377237623752374237323722371, 2963296229612960295929582957
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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89888786858483 belongs to the sequence because it is a prime number obtained by concatenating all the consecutive decreasing numbers from 89 to 83 with the primes 89 and 83.
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CROSSREFS
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Cf. A053558.
Sequence in context: A122126 A132389 A139575 this_sequence A027605 A095430 A053852
Adjacent sequences: A053583 A053584 A053585 this_sequence A053587 A053588 A053589
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KEYWORD
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base,nonn
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AUTHOR
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Felice Russo (felice.russo(AT)katamail.com), Jan 19 2000
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