The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A365294 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A365294

a(n) is the least positive integer that can be expressed as the sum of a prime number and a perfect power in exactly n ways.
(history; published version)

#4 by N. J. A. Sloane at Wed Sep 06 20:56:26 EDT 2023

STATUS

proposed

approved

#3 by Ilya Gutkovskiy at Thu Aug 31 09:23:34 EDT 2023

STATUS

editing

proposed

#2 by Ilya Gutkovskiy at Thu Aug 31 07:27:47 EDT 2023

NAME

allocated for Ilya Gutkovskiya(n) is the least positive integer that can be expressed as the sum of a prime number and a perfect power in exactly n ways.

DATA

1, 3, 6, 11, 27, 38, 105, 128, 248, 227, 398, 572, 692, 668, 902, 908, 1172, 1448, 2288, 1748, 1592, 2483, 3167, 3932, 3902, 3737, 4457, 3632, 5843, 6443, 6233, 8048, 6992, 5297, 8678, 6368, 8888, 10688, 9908, 8153, 8777, 13163, 14222, 16463, 14528, 14948

OFFSET

0,2

EXAMPLE

For n = 3: 11 = 2 + 3^2 = 3 + 2^3 = 7 + 2^2.

CROSSREFS

Cf. A000040, A001597, A119748, A196228.

KEYWORD

allocated

nonn

AUTHOR

Ilya Gutkovskiy, Aug 31 2023

STATUS

approved

editing

#1 by Ilya Gutkovskiy at Thu Aug 31 07:27:47 EDT 2023

NAME

allocated for Ilya Gutkovskiy

KEYWORD

allocated

STATUS

approved