A295309 - OEIS

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A295309

Characteristic function for A295307: a(n) = 1 if n > phi(sigma(n)), 0 otherwise.

0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1

(list; graph; refs; listen; history; text; internal format)

OFFSET

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..65537

Index entries for characteristic functions

FORMULA

a(n) = 1 if n > A062401(n), 0 otherwise.

CROSSREFS

Cf. A000010, A000203, A062401, A295301, A295307, A295308.

Sequence in context: A288132 A324903 A011656 * A353670 A252744 A340373

Adjacent sequences: A295306 A295307 A295308 * A295310 A295311 A295312

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 22 2017

STATUS

approved