A354361 Numbers k such that A354203(sigma(A354202(k))) = 1.

1, 2, 3, 6, 7, 13, 14, 19, 21, 23, 26, 38, 39, 41, 42, 43, 46, 57, 67, 69, 78, 82, 86, 91, 103, 107, 114, 123, 129, 133, 134, 138, 161, 179, 182, 201, 206, 214, 246, 247, 258, 266, 273, 287, 299, 301, 309, 321, 322, 358, 379, 399, 402, 419, 437, 469, 483, 494, 533, 537, 546, 559, 574, 598, 602, 618, 642, 643, 721

Offset

1,2

Comments

Applying A354202 and sorting into ascending order gives A354357.

Links

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

Prog

(PARI) isA354361(n) = (1==A354206(n)); \\ Uses the program given in A354206.

Crossrefs

Positions of ones in A354206.

Cf. A000203, A354202, A354203, A354357.

Sequence in context: A157200 A255940 A167415 * A018511 A345139 A182708

Adjacent sequences: A354358 A354359 A354360 * A354362 A354363 A354364

Keyword

nonn

Author

Antti Karttunen, May 24 2022

Status

approved