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A134949 Primitive self-power numbers (or SPN's): terms in A134698 which cannot be obtained by taking an earlier term M (say) of A134698 and prefixing, inserting or suffixing a digit of M. 2
32564, 256432, 325648, 643256, 832564 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

232564 is an SPN but is not primitive since it can be obtained from the SPN 32564 by prefixing the digit 2.

CROSSREFS

Cf. A134698, A134947.

Sequence in context: A028240 A251000 A134698 * A134947 A172700 A101744

Adjacent sequences:  A134946 A134947 A134948 * A134950 A134951 A134952

KEYWORD

nonn,base,more

AUTHOR

M. F. Hasler, Feb 02 2008

STATUS

approved

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Last modified October 22 05:29 EDT 2019. Contains 328315 sequences. (Running on oeis4.)