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A257682 Partial sums of A257680: a(0) = 0; for n >= 1, a(n) = A257680(n) + a(n-1). 7
0, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 12, 13, 13, 14, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 42, 43, 44, 45, 45, 46, 47, 48, 49, 50, 51, 52, 52, 53, 54, 55, 55, 56, 56, 57, 58, 59, 59, 60, 60, 61 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(0) = 0; for n >= 1, a(n) = A257680(n) + a(n-1).
Other identities:
a(n) = A273662(n)+1.
PROG
(Scheme, with memoization-macro definec)
(definec (A257682 n) (if (zero? n) n (+ (A257680 n) (A257682 (- n 1)))))
CROSSREFS
One more than A273662.
Sequence in context: A162621 A180446 A095394 * A029928 A101788 A348776
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 04 2015
EXTENSIONS
Description edited because of the changed starting offset of A256450 - Antti Karttunen, May 30 2016
STATUS
approved

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Last modified July 24 13:53 EDT 2024. Contains 374584 sequences. (Running on oeis4.)