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A063272 Number of times most common final digit of primes appears in first n primes. +0
2
1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 21, 21, 21, 21, 21, 21 (list; graph; listen)
OFFSET

0,6

LINKS

Index entries for sequences related to final digits of numbers

EXAMPLE

a(6)=2 since first six primes are 2,3,5,7,11,13, so most common final digit is 3 which has appeared twice.

CROSSREFS

Cf. A000040, A007652, A063272. Slightly above [n/4] i.e. A002265.

Adjacent sequences: A063269 A063270 A063271 this_sequence A063273 A063274 A063275

Sequence in context: A011752 A025790 A030617 this_sequence A127240 A097561 A048689

KEYWORD

base,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Jul 13 2001

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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