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A092463 Greatest number in the n-th successive group of natural numbers containing exactly n prime powers. 0
1, 3, 7, 13, 25, 41, 64, 97, 128, 173, 233, 283, 359, 439, 523, 619, 729, 841, 971, 1093, 1249, 1423, 1567, 1733, 1931, 2113, 2309, 2531, 2731, 2969, 3251, 3499, 3733, 4019, 4289, 4621, 4937, 5237, 5569, 5881, 6269, 6637, 6977, 7417 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A000961(A000217(n)).

LINKS

Table of n, a(n) for n=1..44.

EXAMPLE

1 : 2 3 : 4 5 6 7 : 8 9 10 11 12 13 : 14 15 16 17 18 ...

1 : 2 3 : 4 5 . 7 : 8 9 .. 11 .. 13 : .. .. 16 17 ...

1 : . 3 : . . . 7 : . . .. .. .. 13 : .. .. ...

a(1)..a(2)......a(3).............a(4)......

CROSSREFS

Sequence in context: A056764 A026103 A301854 * A259343 A210613 A304648

Adjacent sequences:  A092460 A092461 A092462 * A092464 A092465 A092466

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 25 2004

STATUS

approved

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Last modified May 26 02:35 EDT 2019. Contains 323579 sequences. (Running on oeis4.)