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A249424 Odd integers n such that A249151(n) = (n-1)/2. 8
3, 5, 9, 13, 21, 23, 25, 33, 37, 45, 57, 61, 73, 81, 85, 93, 105, 117, 121, 133, 141, 145, 157, 165, 177, 193, 201, 205, 213, 217, 225, 253, 261, 273, 277, 297, 301, 313, 325, 333, 345, 357, 361, 381, 385, 393, 397, 421, 445, 453, 457, 465, 477, 481, 501, 513, 525, 537, 541, 553, 561, 565, 585, 613, 621, 625, 633, 661, 673, 693, 697 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A249424 (MATCHING-POS 1 0 (lambda (n) (and (odd? n) (= (/ (- n 1) 2) (A249151 n))))))
CROSSREFS
A249428 gives the corresponding values (n-1)/2.
Subsequence of A249433.
Sequence in context: A305082 A007042 A178415 * A076274 A058989 A049691
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 28 2014
STATUS
approved

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Last modified May 19 14:15 EDT 2024. Contains 372697 sequences. (Running on oeis4.)