

A091265


Take sequence of prime numbers (A000040) and reverse successive subsequences of lengths 1,2,3,4,...


1



2, 5, 3, 13, 11, 7, 29, 23, 19, 17, 47, 43, 41, 37, 31, 73, 71, 67, 61, 59, 53, 107, 103, 101, 97, 89, 83, 79, 151, 149, 139, 137, 131, 127, 113, 109, 197, 193, 191, 181, 179, 173, 167, 163, 157, 257, 251, 241, 239, 233, 229, 227, 223, 211, 199, 317, 313, 311, 307
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OFFSET

1,1


LINKS

Robert Israel, Table of n, a(n) for n = 1..10000


FORMULA

a(n) = A000040(A038722(n)).  M. F. Hasler, Aug 24 2014


MAPLE

S:= ListTools:PartialSums([$1..20]):
P:= [seq(ithprime(i), i=1..S[1])]:
map(op, [[P[1]], seq(ListTools:Reverse(P[S[i]+1..S[i+1]]), i=1..nops(S)1)]); # Robert Israel, Sep 04 2017


CROSSREFS

Cf. A000040, A038722.
Sequence in context: A229609 A242171 A254790 * A262373 A028415 A211306
Adjacent sequences: A091262 A091263 A091264 * A091266 A091267 A091268


KEYWORD

easy,nonn


AUTHOR

Felix Tubiana (fat2(AT)columbia.edu), Feb 23 2004


EXTENSIONS

Offset changed from 0 to 1 by M. F. Hasler, Aug 24 2014


STATUS

approved



