A358772 - OEIS

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A358772

Numbers whose arithmetic derivative is of the form 4k+1, cf. A003415.

4

2, 3, 5, 6, 7, 11, 13, 14, 17, 18, 19, 22, 23, 29, 31, 37, 38, 41, 42, 43, 46, 47, 50, 53, 54, 59, 61, 62, 66, 67, 71, 73, 79, 83, 86, 89, 94, 97, 98, 101, 103, 107, 109, 113, 114, 118, 126, 127, 130, 131, 134, 137, 138, 139, 142, 149, 150, 151, 154, 157, 158, 162, 163, 166, 167, 170, 173, 179, 181

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..69.

PROG

(PARI) isA358772(n) = A358771(n);

CROSSREFS

Cf. A000040 (subsequence), A003415, A358771 (characteristic function).

Setwise difference A235991 \ A358774. Cf. also A327862, A327864.

Sequence in context: A333786 A089633 A362815 * A003172 A340856 A325100

Adjacent sequences: A358769 A358770 A358771 * A358773 A358774 A358775

KEYWORD

nonn

AUTHOR

Antti Karttunen, Dec 01 2022

STATUS

approved