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A305386 Indicator function of A140101. 4
0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

a(n) = 1 iff n is in A140101.

LINKS

Table of n, a(n) for n=1..100.

FORMULA

A305385(n)+A305386(n) = A305387(n)+A305388(n) = 1 for all n.

CROSSREFS

The indicator functions for A140100, A140101, A140102, A140103 are given in A305385, A305386, A305387, A305388.

Sequence in context: A272170 A126565 A215531 * A174998 A257800 A284772

Adjacent sequences:  A305383 A305384 A305385 * A305387 A305388 A305389

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 21 2018

STATUS

approved

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Last modified February 23 09:04 EST 2019. Contains 320420 sequences. (Running on oeis4.)