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A077025 Sum{Floor(n/(k + 1/2)): k=1,2,...,n}. 1
0, 1, 3, 4, 7, 9, 11, 14, 17, 19, 23, 25, 28, 32, 36, 37, 41, 46, 48, 52, 56, 58, 64, 66, 70, 74, 78, 82, 86, 90, 92, 97, 103, 105, 111, 114, 116, 122, 128, 130, 135, 139, 143, 147, 153, 157, 161, 165, 168, 175, 179, 181, 189, 193, 197, 201, 205, 209, 215, 221, 224 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

It appears that A077024(n) - a(n) = n.

EXAMPLE

[4/(1 + 1/2)] + [4/(2 + 1/2)] + [4/(3 + 1/2)] + [4/(4 + 1/2)] = 2+1+1+0 = 4 = a(4).

CROSSREFS

Cf. A077024.

Sequence in context: A191978 A187477 A111499 * A032729 A035270 A120451

Adjacent sequences:  A077022 A077023 A077024 * A077026 A077027 A077028

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Oct 18 2002

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.