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A354813 Positions of +3's in A346242. 2
21, 33, 39, 51, 57, 69, 87, 93, 111, 123, 129, 130, 141, 159, 177, 183, 190, 201, 213, 219, 231, 237, 249, 267, 291, 303, 309, 310, 321, 327, 339, 370, 381, 393, 411, 417, 430, 447, 453, 471, 489, 501, 519, 537, 543, 573, 579, 591, 597, 610, 633, 669, 670, 681, 687, 699, 717, 723, 730, 753, 771, 789, 790, 807, 813 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(11) = 130 is the first term that is not a multiple of 3.
LINKS
PROG
(PARI) isA354813(n) = (3==A346242(n));
CROSSREFS
Cf. A346242.
Sequence in context: A343454 A368949 A298855 * A273201 A260730 A119973
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 07 2022
STATUS
approved

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Last modified July 15 21:59 EDT 2024. Contains 374334 sequences. (Running on oeis4.)